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Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised

CPC
COOPERATIVE PATENT CLASSIFICATION
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ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES
NOTE
-
Attention is drawn to the Note following the title of class B60

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Heating, cooling or ventilating devices (heating, cooling or ventilating devices providing other air treatment, the other treatment being relevant, B60H 3/00; ventilating solely by opening windows, doors, roof parts, or the like B60J; heating or ventilating devices for vehicle seats B60N 2/56; vehicle window or windscreen cleaners using air, e.g. defrosters, B60S 1/54)
NOTE
-
In this group and its subgroups, as well as in patent documents, the following abbreviation is used: - HVAC Heating, Ventilating and Air Conditioning

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B60H 1/00007
.
{
Combined heating, ventilating, or cooling devices (control systems or mechanisms B60H 1/00642)
}
. .
{
for load cargos on load transporting vehicles
}
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B60H 1/00021
. .
{
Air flow details of the heating, ventilating and cooling [HVAC
}
devices]
B60H 1/00028
. . .
{
Constructional lay-out of the devices in the vehicle
}
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B60H 1/00035
. . .
{
for sending an air stream of uniform temperature into the passenger compartment
}
B60H 1/00042
. . . .
{
the air passing only one heat exchanger
}
B60H 1/0005
. . . .
{
the air being firstly cooled and subsequently heated or vice-versa
}
B60H 1/00057
. . . .
{
the air being heated and cooled simultaneously, e.g. using parallel heat exchangers
}
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B60H 1/00064
. . .
{
for sending air streams of different temperatures into the passenger compartment
}
B60H 1/00071
. . . .
{
the air passing only one heat exchanger
}
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B60H 2001/00078
. . .
{
Assembling, manufacturing or layout details
}
B60H 2001/00085
. . . .
{
of air intake
}
B60H 2001/00092
. . . .
{
of air deflecting or air directing means inside the device
}
B60H 2001/00099
. . . .
{
comprising additional ventilating means
}
B60H 2001/00107
. . . .
{
characterised by the relative position of the heat exchangers, e.g. arrangements leading to a curved airflow
}
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B60H 2001/00114
. . .
{
Heating or cooling details
}
B60H 2001/00121
. . . .
{
More than one heat exchanger in parallel
}
B60H 2001/00128
. . . .
{
Electric heaters
}
B60H 2001/00135
. . . .
{
Deviding walls for separate air flows
}
B60H 2001/00142
. . . .
{
first heating and then cooling
}
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B60H 2001/0015
. . .
{
Temperature regulation
}
B60H 2001/00157
. . . .
{
without by-pass
}
B60H 2001/00164
. . . .
{
with more than one by-pass
}
B60H 2001/00171
. . . .
{
Valves on heaters for modulated liquid flow
}
B60H 2001/00178
. . . .
{
comprising an air passage from the HVAC box to the exterior of the cabin
}
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B60H 2001/00185
. . .
{
Distribution of conditionned air
}
B60H 2001/00192
. . . .
{
to left and right part of passenger compartment
}
B60H 2001/002
. . . .
{
to front and rear part of passenger compartment
}
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B60H 1/00207
. .
{
characterised by the position of the HVAC devices with respect to the passenger compartment (B60H 1/00021 takes precedence)
}
B60H 2001/00214
. . .
{
Devices in front of the passenger compartment
}
B60H 2001/00221
. . .
{
Devices in the floor or side wall area of the passenger compartment
}
B60H 2001/00228
. . .
{
Devices in the interior of the passenger compartment
}
B60H 2001/00235
. . .
{
Devices in the roof area of the passenger compartment
}
B60H 2001/00242
. . .
{
Devices in the rear area of the passenger compartment
}
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B60H 1/0025
.
{
the devices being independent of the vehicle
}
B60H 1/00257
. .
{
Non-transportable devices, disposed outside the vehicle, e.g. on a parking
}
B60H 1/00264
. .
{
Transportable devices
}
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.
{
Heating, cooling or ventilating devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
}
. .
{
for the battery (arrangement of batteries B60R 16/04)
}
B60H 1/00285
. .
{
for vehicle seats (vehicle seats with heating or ventilation means independent from the HVAC system of the vehicle B60N 2/56)
}
B60H 1/00292
. .
{
for steering wheels (steering wheels with heating or ventilation means independent from the HVAC system of the vehicle B62D 1/065)
}
B60H 2001/003
. .
{
Component temperature regulation using an air flow
}
B60H 2001/00307
. .
{
Component temperature regulation using a liquid flow
}
.
{
Arrangements permitting a rapid heating of the heating liquid (B60H 1/00492, B60H 1/03 take precedence; aiding engine start by heating of engine coolants F02N 19/10)
}
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.
{
Heat exchangers for air-conditioning devices (B60H 1/3227 takes precedence)
}
. .
{
of the liquid-air type
}
. .
{
of the gas-air type (B60H 1/18 takes precedence)
}
. .
{
of the liquid-liquid type
}
B60H 2001/0035
. .
{
movable in and out of the air stream
}
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.
{
Air-conditioning arrangements specially adapted for particular vehicles
}
. .
{
for caravans or trailers
}
. .
{
for vehicles carrying large numbers of passengers e.g. buses
}
. .
{
for tractor or load vehicle cabins
}
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. .
{
for vehicles having an electrical drive, e.g. hybrid or fuel cell
}
. . .
{
for electric vehicles having only electric drive means
}
. . .
{
for vehicles having a combustion engine and electric drive means, e.g. hybrid electric vehicles
}
. .
{
for open or convertible vehicles
}
. .
{
for military, emergency, safety or security vehicles
}
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B60H 1/00421
.
{
Driving arrangements for parts of a vehicle air-conditioning (B60H 1/3222 takes precedence; auxiliary drives per se for vehicles B60K 25/00)
}
. .
{
electric
}
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B60H 1/00435
. .
{
fluid or pneumatic
}
B60H 1/00442
. . .
{
using a vacuum
}
B60H 1/0045
. .
{
mechanical power take-offs from the vehicle propulsion unit
}
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.
{
Ventilation unit, e.g. combined with a radiator (control systems for ventilators B60H 1/00828)
}
B60H 1/00464
. .
{
The ventilator being of the axial type
}
B60H 1/00471
. .
{
The ventilator being of the radial type, i.e. with radial expulsion of the air
}
.
{
Air-conditioning devices using the Peltier effect (for air-conditioning in general F24F 5/0042; for refrigeration F25B 21/02; electric devices exhibiting the Peltier effect H01L 35/00)
}
.
{
Valves for air-conditioning devices, e.g. thermostatic valves (valves per se F16K; thermostatic valves per se G05D 23/02)
}
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.
{
characterised by comprising regenerative heating or cooling means, e.g. heat accumulators
}
B60H 1/005
. .
{
Regenerative cooling means, e.g. cold accumulators
}
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B60H 1/00507
.
{
Details, e.g. mounting arrangements, desaeration devices (B60H 1/32 takes precedence)
}
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B60H 1/00514
. .
{
Details of air conditioning housings
}
. . .
{
Mounting or fastening of components in housings, e.g. heat exchangers, fans, electronic regulators
}
B60H 1/00528
. . .
{
Connections between housing parts
}
B60H 1/00535
. . .
{
Mounting or fastening of the housing to the vehicle
}
B60H 1/00542
. . .
{
Modular assemblies
}
. . .
{
the housing or parts thereof being integrated in other devices, e.g. dashboard
}
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B60H 1/00557
. .
{
Details of ducts or cables
}
. . .
{
of air ducts
}
. . .
{
of liquid ducts, e.g. for coolant liquids or refrigerants
}
B60H 1/00578
. . .
{
of bowden wires
}
. .
{
Means for monitoring, testing or servicing the air-conditioning
}
. .
{
Add-on devices, e.g. heat/cooling boxes, compartment dividers, upgrade sets
}
B60H 2001/006
. .
{
Noise reduction
}
B60H 2001/00607
. .
{
Recycling
}
B60H 2001/00614
. .
{
Cooling of electronic units in air stream
}
B60H 2001/00621
. .
{
Fastening lids on air-conditioning housings
}
B60H 2001/00628
. .
{
Adaption for left or right hand drive
}
B60H 2001/00635
. .
{
Air-tight sealing devices
}
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B60H 1/00642
.
{
Control systems or circuits, control members or indication devices for heating, cooling or ventilating devices (B60H 1/3201 - B60H 1/3208, B60H 1/3225 take precedence; dashboards B60K 37/00; systems for controlling or regulating non-electric variables in general G05D)
}
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. .
{
Control members, e.g. levers or knobs (B60H 1/00985 takes precedence)
}
B60H 1/00657
. . .
{
Remote control devices
}
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. .
{
Construction or arrangement of damper doors (control systems or circuits for damper doors B60H 1/00835)
}
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B60H 1/00671
. . .
{
Damper doors moved by rotation ; Grilles
}
B60H 1/00678
. . . .
{
the axis of rotation being in the door plane, e.g. butterfly doors
}
B60H 1/00685
. . . .
{
the door being a rotating disc or cylinder or part thereof (B60H 1/00678 takes precedence)
}
B60H 1/00692
. . .
{
Damper doors moved by translation, e.g. curtain doors
}
B60H 2001/007
. . .
{
Manufacturing or assembling
}
B60H 2001/00707
. . .
{
Details of pivots of damper doors
}
B60H 2001/00714
. . .
{
Details of seals of damper doors
}
B60H 2001/00721
. . .
{
Air deflecting or air directing means
}
B60H 2001/00728
. . .
{
Film doors
}
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. .
{
Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
}
. . .
{
by detection of the vehicle occupants` presence; by detection of conditions relating to the body of occupants, e.g. using radiant heat detectors
}
. . .
{
the input being solar radiation
}
B60H 1/00757
. . .
{
by the input of sound, e.g. by using a voice synthesizer
}
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. . .
{
the input being a vehicle driving condition, e.g. speed (B60H 1/00828, B60H 1/00864 take precedence)
}
. . . .
{
the input being a vehicle position or surrounding, e.g. GPS-based position or tunnel
}
B60H 1/00778
. . . .
{
the input being a stationary vehicle position, e.g. parking or stopping
}
B60H 1/00785
. . .
{
by the detection of humidity or frost
}
B60H 1/00792
. . .
{
Arrangement of detectors (B60H 1/00742, B60H 1/0075, B60H 1/00785 take precedence)
}
. . .
{
the input being air quality
}
B60H 1/00807
. . .
{
the input being a specific way of measuring or calculating an air or coolant temperature
}
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B60H 1/00814
. .
{
Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
}
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B60H 1/00821
. . .
{
the components being ventilating, air admitting or air distributing devices
}
B60H 1/00828
. . . .
{
Ventilators, e.g. speed control (B60H 1/00864takes precedence)
}
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. . . .
{
Damper doors, e.g. position control (construction or arrangement of damper doors B60H 1/00664; B60H 1/00864 takes precedence)
}
B60H 1/00842
. . . . .
{
the system comprising a plurality of damper doors; Air distribution between several outlets
}
B60H 1/00849
. . . . .
{
for selectively commanding the induction of outside or inside air (B60H 1/00842 takes precedence)
}
. . . . .
{
characterised by the means connecting the initiating means, e.g. control lever, to the damper door
}
B60H 1/00864
. . . .
{
Ventilators and damper doors
}
B60H 1/00871
. . . .
{
Air directing means, e.g. blades in an air outlet (construction of nozzles or air diffusers B60H 1/34)
}
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B60H 1/00878
. . .
{
the components being temperature regulating devices (B60H 1/00899 takes precedence; constructions of valves B60H 1/00485)
}
B60H 1/00885
. . . .
{
Controlling the flow of heating or cooling liquid, e.g. valves or pumps (B60H 1/00899 takes precedence; constructions of valves B60H 1/00485)
}
B60H 1/00892
. . . .
{
Devices specially adapted for avoiding uncomfortable feeling, e.g. sudden temperature changes (B60H 1/00885 takes precedence)
}
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. . . .
{
Controlling the flow of liquid in a heat pump system (controlling the properties of the refrigerant liquid, e.g. pressure or temperature, B60H 1/3204)
}
B60H 1/00907
. . . . .
{
where the flow direction of the refrigerant changes and an evaporator becomes condenser
}
B60H 1/00914
. . . . .
{
where the flow direction of the refrigerant does not change and there is a bypass of the condenser
}
B60H 1/00921
. . . . .
{
where the flow direction of the refrigerant does not change and there is an extra subcondenser, e.g. in an air duct
}
B60H 2001/00928
. . . .
{
comprising a secondary circuit
}
B60H 2001/00935
. . . .
{
comprising four way valves for controlling the fluid direction
}
B60H 2001/00942
. . . .
{
comprising a plurality of heat exchangers, e.g. for multi zone heating or cooling
}
B60H 2001/00949
. . . .
{
comprising additional heating/cooling sources, e.g. second evaporator
}
B60H 2001/00957
. . . .
{
comprising locations with heat exchange within the refrigerant circuit itself, e.g. cross-, counter-, or parallel heat exchange
}
B60H 1/00964
. .
{
Control systems or circuits characterised by including features for automatic and non-automatic control, e.g. for changing from automatic to manual control
}
B60H 1/00971
. .
{
Control systems or circuits characterised by including features for locking or memorising of control modes
}
. .
{
Control systems or circuits characterised by failure of detection or safety means; Diagnostic methods
}
. .
{
Control systems or circuits characterised by display or indicating devices, e.g. voice simulators (characterised by the input of sound using a voice synthesizer B60H 1/00757; B60H 1/00978 takes precedence)
}
B60H 2001/00992
. .
{
Calculations modifying a user set value
}
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.
the heat being derived from the propulsion plant
{
(B60H 1/00492 takes precedence)
}
B60H 1/025
. .
{
from both the cooling liquid and the exhaust gases of the propulsion plant
}
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B60H 1/03
. .
and from a source other than the propulsion plant
B60H 1/032
. . .
{
from the cooling liquid of the propulsion plant and from a burner
}
B60H 1/034
. . .
{
from the cooling liquid of the propulsion plant and from an electric heating device
}
B60H 1/036
. . .
{
from the plant exhaust gases and from a burner
}
. . .
{
from the cooling liquid of the propulsion plant and from a viscous fluid heater
}
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B60H 1/04
. .
from cooling liquid of the plant
{
(B60H 1/025, B60H 1/03 take precedence)
}
B60H 1/06
. . .
directly from main radiator
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B60H 1/08
. . .
from other radiator than main radiator
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B60H 1/10
. . . .
the other radiator being situated in a duct capable of being connected to atmosphere outside vehicle
B60H 1/12
. . . . .
using an air blower
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. .
otherwise than from cooling liquid of the plant
{
e.g. heat from the grease oil, the brakes, the transmission unit (B60H 1/03 takes precedence)
}
. . .
{
the heat being derived from cooling an electric component, e.g. electric motors, electric circuits, fuel cells or batteries
}
B60H 2001/146
. . .
{
from a viscous fluid heater
}
B60H 1/16
. . .
the air being heated by direct contact with the plant, e.g. air-cooled motor
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B60H 1/18
. . .
the air being heated from the plant exhaust gases
{
(B60H 1/025 takes precedence; exhaust or silencing apparatus associated with devices profiting by exhaust energy F01N 5/00)
}
B60H 1/20
. . . .
using an intermediate heat-transferring medium
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.
the heat being derived otherwise than from the propulsion plant
{
(B60H 1/0025, B60H 1/00492 and B60H 1/03 take precedence)
}
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. .
{
the heat being derived from burners (burners in general F23C, F23D, F24H 9/18)
}
B60H 1/2206
. . .
{
controlling the operation of burners (control of burners in general F23N 5/00)
}
B60H 1/2209
. . .
{
arrangements of burners for heating an intermediate liquid (B60H 1/032 takes precedence)
}
B60H 1/2212
. . .
{
arrangements of burners for heating air
}
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. .
{
the heat being derived from electric heaters (in general H05B; for electric traction vehicles B60L 1/02)
}
. . .
{
controlling the operation of electric heaters
}
. . .
{
arrangements of electric heaters for heating an intermediate liquid (B60H 1/034 takes precedence)
}
B60H 1/2225
. . .
{
arrangements of electric heaters for heating air
}
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B60H 2001/2228
. .
{
controlling the operation of heaters
}
B60H 2001/2231
. . .
{
for proper or safe operation of the heater
}
B60H 2001/2234
. . .
{
when vehicle is parked, preheating
}
B60H 2001/2237
. . .
{
supplementary heating, e.g. during stop and go of a vehicle
}
B60H 2001/224
. . .
{
automatic operation, e.g. control circuits or methods
}
B60H 2001/2243
. . .
{
manual operation, e.g. remote control or timer
}
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B60H 2001/2246
. .
{
obtaining information from a variable, e.g. by means of a sensor
}
B60H 2001/225
. . .
{
related to an operational state of another HVAC device
}
B60H 2001/2253
. . .
{
related to an operational state of the vehicle or a vehicle component
}
B60H 2001/2256
. . .
{
related to the operation of the heater itself, e.g. flame detection or overheating
}
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B60H 2001/2259
. .
{
output of a control signal
}
B60H 2001/2262
. . .
{
related to the period of on/off time of the heater
}
B60H 2001/2265
. . .
{
related to the quantity of heat produced by the heater
}
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B60H 2001/2268
. .
{
Constructional features
}
B60H 2001/2271
. . .
{
Heat exchangers, burners, ignition devices
}
B60H 2001/2275
. . .
{
Thermoelectric converters for generating electrical energy
}
B60H 2001/2278
. . .
{
Connectors, water supply, housing, mounting brackets
}
B60H 2001/2281
. . .
{
Air supply, exhaust systems
}
B60H 2001/2284
. . .
{
Fuel supply
}
B60H 2001/2287
. . .
{
Integration into a vehicle HVAC system or vehicle dashboard (B60H 2001/00128 takes precedence)
}
B60H 2001/229
. . .
{
Integration into an air outlet
}
B60H 2001/2293
. . .
{
Integration into other parts of a vehicle
}
B60H 2001/2296
. . .
{
integration into fluid/air heat exchangers
}
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B60H 1/24
.
Devices purely for ventilating or where the heating or cooling is irrelevant (nozzles, air-diffusers B60H 1/34)
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. .
{
characterised by the location of ventilation devices in the vehicle
}
B60H 1/242
. . .
{
located in the front area
}
B60H 1/243
. . .
{
located in the lateral area (e.g. doors, pillars)
}
. . .
{
located in the rear area
}
B60H 1/245
. . .
{
located in the roof
}
. . .
{
located in the interior of the vehicle or in or below the floor
}
. .
{
Disposition of several air-diffusers in a vehicle for ventilation-air circulation in a vehicle cabin
}
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B60H 1/248
. .
{
Air-extractors, air-evacuation from the vehicle interior
}
. . .
{
using one-way valves
}
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. .
Ventilating openings in vehicle exterior; Ducts for conveying ventilating air
. . .
{
Openings in or on the vehicle roof
}
B60H 1/265
. . .
{
Openings in window or door past or pillars (door pasts per se B62D 25/14; B60H 1/248 takes precedence)
}
B60H 1/267
. . .
{
Openings in or near to vehicle windows (pivoting side windows B60J 1/14; wind deflectors associated with windows for ventilating B60J 1/20)
}
. . .
the openings being situated directly in front of vehicle front window
B60H 1/30
. . .
Air scoops
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B60H 1/32
.
Cooling devices (
{
B60H 1/00478, B60H 1/005 take precedence;
}
vehicles adapted to transport refrigerated goods B60P 3/20)
. .
{
using absorption or adsorption (in general F25B 15/00, F25B 17/00)
}
. .
{
using evaporation, i.e. not including a compressor, e.g. involving fuel or water evaporation (B60H 1/3235 takes precedence; in general F25B 19/00, F25D 7/00)
}
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. .
{
using compression (B60H 1/3233 takes precedence; in general F25B, F25D)
}
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B60H 1/3205
. . .
{
Control means therefor
}
B60H 1/3207
. . . .
{
for minimizing the humidity of the air
}
B60H 1/3208
. . . .
{
Vehicle drive related control of the compressor drive means, e.g. for fuel saving purposes
}
B60H 1/321
. . . .
{
for preventing the freezing of a heat exchanger
}
B60H 1/3211
. . . .
{
for increasing the efficiency of a vehicle refrigeration cycle
}
B60H 1/3213
. . . .
{
for increasing the efficiency in a vehicle heat pump
}
B60H 1/3214
. . . .
{
for improving the lubrication of a refrigerant compressor in a vehicle
}
B60H 1/3216
. . . .
{
for improving a change in operation duty of a compressor in a vehicle
}
B60H 1/3217
. . . .
{
for high pressure, inflamable or poisonous refrigerants causing danger in case of accidents
}
B60H 1/3219
. . . .
{
for improving the response time of a vehicle refrigeration cycle
}
B60H 1/322
. . . .
{
for improving the stop or idling operation of the engine
}
. . .
{
characterised by the compressor driving arrangements, e.g. clutches, transmissions or multiple drives (B60H 1/3208, B60H 1/3226 take precedence)
}
B60H 1/3223
. . .
{
characterised by the arrangement or type of the compressor (B60H 1/3222 takes precedence)
}
B60H 1/3225
. . .
{
characterised by safety arrangements, e.g. compressor anti-seizure means or by signalling devices
}
B60H 1/3226
. . .
{
Self-contained devices, i.e. including own drive motor
}
B60H 1/3227
. . .
{
characterised by the arrangement or the type of heat exchanger, e.g. condenser, evaporator (condensed liquid drainage means B60H 1/3233)
}
B60H 1/3229
. . .
{
characterised by constructional features, e.g. housings, mountings, conversion systems (B60H 1/3227, B60H 1/3233 take precedence)
}
. . .
{
characterised by comprising auxiliary or multiple systems, e.g. plurality of evaporators, or by involving auxiliary cooling devices
}
. . .
{
particularly adapted for load transporting vehicles (B60H 1/3226 takes precedence)
}
. .
{
characterised by condensed liquid drainage means
}
B60H 1/3235
. .
{
using sublimation, e.g. dry ice cooling or melting ice
}
Collapse
B60H 2001/3236
. .
{
information from a variable is obtained
}
B60H 2001/3238
. . .
{
related to the operation of the compressor
}
Collapse
B60H 2001/3239
. . .
{
related to flow
}
B60H 2001/3241
. . . .
{
of air
}
B60H 2001/3242
. . . .
{
of a refrigerant
}
Collapse
B60H 2001/3244
. . .
{
related to humidity
}
B60H 2001/3245
. . . .
{
of air
}
B60H 2001/3247
. . . .
{
of a refrigerant
}
Collapse
B60H 2001/3248
. . .
{
related to pressure
}
B60H 2001/325
. . . .
{
of the refrigerant at a compressing unit
}
B60H 2001/3251
. . . .
{
of the refrigerant at a condensing unit
}
B60H 2001/3252
. . . .
{
of the refrigerant at an evaporating unit
}
B60H 2001/3254
. . . .
{
of the refrigerant at an expansion unit
}
Collapse
B60H 2001/3255
. . .
{
related to temperature
}
B60H 2001/3257
. . . .
{
of the refrigerant at a compressing unit
}
B60H 2001/3258
. . . .
{
of the air at a condensing unit
}
B60H 2001/326
. . . .
{
of the refrigerant at a condensing unit
}
B60H 2001/3261
. . . .
{
of the air at an evaporating unit
}
B60H 2001/3263
. . . .
{
of the refrigerant at an evaporating unit
}
B60H 2001/3264
. . . .
{
of the refrigerant at an expansion unit
}
B60H 2001/3266
. . .
{
related to the operation of the vehicle
}
B60H 2001/3267
. . .
{
related to the operation of an expansion valve
}
Collapse
B60H 2001/3269
. .
{
output of a control signal
}
Collapse
B60H 2001/327
. . .
{
related to a compressing unit
}
B60H 2001/3272
. . . .
{
to control the revolving speed of a compressor
}
B60H 2001/3273
. . . .
{
related to the operation of the vehicle , e.g. the compressor driving torque
}
B60H 2001/3275
. . . .
{
to control the volume of a compressor
}
Collapse
B60H 2001/3276
. . .
{
related to a condensing unit
}
B60H 2001/3277
. . . .
{
to control the air flow
}
B60H 2001/3279
. . . .
{
to control the refrigerant flow
}
Collapse
B60H 2001/328
. . .
{
related to an evaporating unit
}
B60H 2001/3282
. . . .
{
to control the air flow
}
B60H 2001/3283
. . . .
{
to control the refrigerant flow
}
B60H 2001/3285
. . .
{
related to an expansion unit
}
Collapse
B60H 2001/3286
. .
{
Constructional features
}
B60H 2001/3288
. . .
{
Additional heat source
}
B60H 2001/3289
. . .
{
Additional cooling source
}
B60H 2001/3291
. . .
{
Locations with heat exchange within the refrigerant circuit itself
}
B60H 2001/3292
. . .
{
Compressor drive is electric only
}
B60H 2001/3294
. . .
{
Compressor drive is hybrid
}
B60H 2001/3295
. . .
{
Compressing means other than compressor
}
B60H 2001/3297
. . .
{
Expansion means other than expansion valve
}
B60H 2001/3298
. . .
{
Ejector-type refrigerant circuits
}
Collapse
.
Nozzles ;
{
Air-diffusers
}
(dispositions of air diffusers in a vehicle B60H 1/247)
B60H 1/3407
. .
{
providing an air stream in a fixed direction, e.g. using a grid or porous panel
}
Collapse
B60H 1/3414
. .
{
with means for adjusting the air stream direction (B60H 1/345 takes precedence)
}
B60H 1/3421
. . .
{
using only pivoting shutters
}
B60H 1/3428
. . .
{
using a set of pivoting shutters and a pivoting frame
}
Collapse
B60H 1/3435
. . .
{
using only a pivoting frame
}
B60H 1/3442
. . . .
{
the frame being spherical
}
B60H 1/345
. .
{
with means for adjusting divergence, convergence or oscillation of air stream
}
. .
{
Outlets providing a vortex, i.e. a spirally wound air flow
}
B60H 2001/3464
. .
{
Details of hinges
}
Collapse
B60H 2001/3471
. .
{
Details of actuators
}
B60H 2001/3478
. . .
{
acting on additional damper doors
}
B60H 2001/3485
. .
{
Air temperature regulation
}
B60H 2001/3492
. .
{
Manufacturing; Assembling
}
Collapse
Other air-treating devices
Collapse
.
{
Adding substances other than water to the air, e.g. perfume, oxygen
}
Collapse
B60H 3/0014
. .
{
characterised by the location of the substance adding device
}
B60H 3/0021
. . .
{
in the air-conditioning housing
}
B60H 3/0028
. . .
{
on or near an air outlet
}
B60H 3/0035
. .
{
characterised by the control methods for adding the substance
}
B60H 2003/0042
. .
{
with ventilating means for adding the substances
}
B60H 2003/005
. .
{
with heating means for adding the substances
}
B60H 2003/0057
. .
{
Servicing means therefor, e.g. for renewal of substances
}
B60H 2003/0064
. .
{
adding more than one substance
}
Collapse
.
{
Electrically conditioning the air, e.g. by ionizing
}
B60H 3/0078
. .
{
comprising electric purifying means
}
Collapse
.
{
Smell or pollution preventing arrangements
}
(B60H 3/0007, B60H 3/0071, B60H 3/02, B60H 3/06 take precedence)
B60H 3/0092
. .
{
in the interior of the HVAC unit, e.g. by spraying substances inside the unit
}
Collapse
.
Moistening;
{
Devices influencing humidity levels, i.e. humidity control (B60H 1/3202, B60H 1/3207 take precedence)
}
B60H 3/022
. .
{
for only humidifying the air
}
B60H 3/024
. .
{
for only dehumidifying the air
}
B60H 2003/026
. .
{
the devices being located in the passenger compartment
}
B60H 2003/028
. .
{
the devices comprising regeneration means
}
Collapse
.
Filtering
{
(B60H 3/0078 takes precedence)
}
Collapse
B60H 3/0608
. .
{
Filter arrangements in the air stream
}
B60H 3/0616
. . .
{
with provisions for replacing the filter element
}
B60H 3/0625
. . .
{
with provisions for by-passing the filter element
}
B60H 3/0633
. . .
{
with provisions for regenerating or cleaning the filter element
}
B60H 3/0641
. . .
{
near ventilating openings in the vehicle exterior
}
B60H 2003/065
. . .
{
Details for holding filter elements in position
}
Collapse
B60H 3/0658
. .
{
Filter elements specially adapted for their arrangement in vehicles (B60H 3/0608 takes precedence)
}
B60H 2003/0666
. . .
{
the filter element having non-rectangular shape
}
B60H 2003/0675
. .
{
Photocatalytic filters
}
B60H 2003/0683
. .
{
the quality of the filter or the air being checked
}
B60H 2003/0691
. .
{
Adsorption filters, e.g. activated carbon
}
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013