CPC Definition - Subclass B60H
This place covers:
Arrangements or adaptations of heating, cooling, ventilating or other air-treating devices specially for passengers or goods in spaces of vehicles.
Only inventions that relate exclusively to vehicles are covered by this subclass.
Attention is drawn to the following places, which may be of interest for search:
Professional, industrial or sporting protective garments with controlled internal environment | |
Filters in general | |
Heating or ventilating devices for vehicle seats independent from the vehicle HVAC | |
Window or windscreen cleaners using air, e.g. defrosters | |
HVAC for railway vehicles | |
HVAC for boats or ships | |
Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space | |
Compressors in general | |
Heat exchangers comprising heat-generating means | |
HVAC for buildings | |
Heat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact | |
Details of heat-exchange and heat-transfer apparatus, of general application | |
Heating, cooling or ventilating batteries or accumulators and independent from the cabin HVAC |
In patent documents, the following abbreviations are often used:
HVAC | Heating, ventilation and air conditioning |
This place covers:
Heating, cooling or ventilating [HVAC] devices for the air inside vehicle cabins or load areas.
Attention is drawn to the following places, which may be of interest for search:
Air-treating devices other than for heating, cooling or ventilating | |
Windows, windscreens, non-fixed roofs, doors or similar devices for vehicles | |
Heating or ventilating devices for vehicle seats | |
Cleaning of vehicles | |
Vehicle window or windscreen cleaners using air, e.g. defrosters |
This place covers:
Structure of HVAC units the vehicle, air ducts.
This place does not cover:
If refrigeration circuit features are characterizing |
Attention is drawn to the following places, which may be of interest for search:
Refrigerated goods vehicles in general |
Heating/cooling liquid urea for exhaust gas treatment:
F01N 3/2066 and Indexing Code F01N 2610/11 cool, F01N 2610/10 heat.
This place covers:
Battery cooling or heating linked to the vehicle interior air conditioning circuit.
Attention is drawn to the following places, which may be of interest for search:
Arrangement or mounting of electric storage means for propulsion in vehicles | |
Hybrid electric vehicles characterised by the electric energy storing means, e.g. batteries or capacitors | |
Controlling the temperature of electric vehicle batteries | |
Arrangement of vehicle batteries not otherwise provided for | |
Heating or cooling of primary cells or batteries | |
Heating or cooling of secondary cells | |
Energy storage using batteries for indirect contribution to greenhouse gas emissions mitigation |
If there is an additional evaporator for cooling the battery in an airstream, also classify in B60H 1/323.
Attention is drawn to the following places, which may be of interest for search:
Vehicle seats with heating or ventilating devices | |
Aircraft seats with individual temperature or ventilation control |
Attention is drawn to the following places, which may be of interest for search:
Steering wheels with heating or ventilating means |
This place does not cover:
Heating devices comprising regenerative heating or cooling means, e.g. heat accumulators | |
Heating devices using heat derived from both the propulsion plant and a source other than the propulsion plant |
Attention is drawn to the following places, which may be of interest for search:
Electric control of combustion engines by supply of combustible mixture or its constituents | |
Aiding engine start by heating of fluids used in engines |
This place covers:
Coolant / air heat exchangers are classified here.
In general: F28D 1/0233, F28D 1/024, F28D 1/0246.
In houses: F24D 19/04
This place covers:
Refrigerant / air heat exchangers are classified here
This place does not cover:
Air / Air heat exchangers |
This place covers:
Refrigerant / water or refrigerant / refrigerant or water/water heat exchangers, e.g. stacked plates.
This place covers:
HVAC characterized by features related to the type of vehicle are classified here and in the subclasses.
Attention is drawn to the following places, which may be of interest for search:
Vehicle bodies |
This place covers:
HVAC for camping trailers, recreational vehicles and other trailers.
This place does not cover:
HVAC for load transport vehicle trailers (aspects of the trailer) | |
HVAC for load transport vehicle trailers (aspects of the refrigeration unit itself) |
This place covers:
HVAC specific to all road vehicles carrying more passengers than a standard passenger car.
This place does not cover:
Railway vehicles, | |
Aircrafts |
Attention is drawn to the following places, which may be of interest for search:
Truck cabins with sleeping accommodations | |
Tractor and off-road vehicle cabins |
When batteries or fuel cells are cooled or heated: B60H 1/00278
This place does not cover:
When the fuel cell is used for driving the AC components only |
Attention is drawn to the following places, which may be of interest for search:
Hybrid vehicles | |
Electric vehicles with batteries or fuel cells | |
Series hybrid vehicles | |
Control | |
Heating a fuel cell | |
Cooling a fuel cell | |
For electric or hybrid cars | FI:B60H1/22&671 |
This place covers:
Vehicles driven by an electric motor. Includes fuel cell vehicles and vehicles having a combustion motor only for generating electric power ("range extender").
This place does not cover:
When electric and hybrid vehicles are mentioned equally | |
If a fuel cell is used only for driving a HVAC |
This place covers:
All hybrid vehicles where the combustion engine can be mechanically coupled to the wheels for vehicle propulsion.
This place does not cover:
When electric and hybrid vehicles are mentioned equally |
This place covers:
Vehicles having body parts that can be opened (e.g. convertibles, golf carts) and this affects the air conditioning system.
Seats: B60H 1/00285
Attention is drawn to the following places, which may be of interest for search:
Convertibles in general | |
Seats having "air scarfs" |
This place covers:
Vehicles like ambulances, tanks, anti bacteriological warfare vehicles etc. where the air conditioning system is specially adapted to the use of the vehicle (e.g. germ filters, pressurized cabin).
Attention is drawn to the following places, which may be of interest for search:
Ambulances | |
Armored vehicles in general. |
This place does not cover:
Compressor driving arrangements for cooling devices using compression |
Attention is drawn to the following places, which may be of interest for search:
Auxiliary drives for vehicles |
This place covers:
Aspects of power supply (e.g. use of converters / inverters) to drive components (e.g. compressors) of the HVAC.
Solar power and fuel cell power used for air conditioning when the vehicle drive is not electric.
Domestic air conditioning using natural energy, see F24F 5/0046
Semiconductor Solar Cells per se: Photovoltaic modules H10F 19/00
This place covers:
Fans in combination with other components of the HVAC unit, e.g. with heat exchangers.
Ventilators in general: F04D 15/0005, F04D 25/08
Electrical motors: H02K
Attention is drawn to the following places, which may be of interest for search:
Fan casings | |
For radial fans: | |
For axial fans: | |
Assembly / disassembly of fans: | |
Heaters & casing details & integrated fans |
This place covers:
Thermoelectric modules based on the Peltier or Seebeck effect in HVAC units.
Attention is drawn to the following places, which may be of interest for search:
HVAC devices using thermoelectric converters for generating electrical energy, with heat derived from a source other than the propulsion plant | |
Air-conditioning systems or apparatus characterised by the use of thermoelectric units or the Peltier effect | |
Refrigeration machines, plants or systems using the Peltier effect | |
Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects |
This place covers:
Vehicle HVAC characterised by specially adapted valves for refrigerant or coolant.
Attention is drawn to the following places, which may be of interest for search:
Valves in general | |
Expansion valves used in refrigeration systems | |
Flow control using electric means by acting on throttling devices | |
Temperature control using sensing elements that expand or contract in response to temperature changes, e.g. thermostatic valves |
This place covers:
HVAC units comprising accumulators storing heat or both heat and cold are classified here.
Attention is drawn to the following places, which may be of interest for search:
If only cold storage is included in the HVAC | |
Cold storages used in domestic HVAC |
Attention is drawn to the following places, which may be of interest for search:
Mounting heat exchangers in vehicle bodies | |
Front end modules | |
Sealings | |
Fastening elements on heat exchangers |
Attention is drawn to the following places, which may be of interest for search:
Dashboards | |
Dashboards having incorporated ventilation channels |
Attention is drawn to the following places, which may be of interest for search:
Dashboards, e.g. with integrated air ducts | |
Ducts, integrated guide vanes | |
Ducting arrangements for domestic air treatment |
Attention is drawn to the following places, which may be of interest for search:
Pipes, joints of fittings per se | |
Flexible pipes with four or more layers, e.g. for refrigerants | |
Couplings with fluid cut-off means using two valves | |
Fluid-circulation arrangements for domestic cooling |
This place covers:
Service units for servicing the vehicle HVAC.
Includes units for purging, evacuating, filling and testing such an HVAC.
Attention is drawn to the following places, which may be of interest for search:
For filling | |
For testing |
This place covers:
Receptacles connected to the vehicle HVAC for cooling or heating.
Partition elements used inside the vehicle cabin for separating a cooled or heated compartment.
This place does not cover:
Receptacles for food or beverages with refrigerating or warming systems: |
Attention is drawn to the following places, which may be of interest for search:
Remote control devices | |
Switches per se | |
Touch switches per se | |
Capacitive switches |
Attention is drawn to the following places, which may be of interest for search:
Air flow control members for domestic air-conditioning |
Attention is drawn to the following places, which may be of interest for search:
Monitoring multiple temperatures |
Attention is drawn to the following places, which may be of interest for search:
Sensors in seats |
Attention is drawn to the following places, which may be of interest for search:
Solar sensors |
This place covers:
Control systems using vehicle speed as input.
B60H 1/3208 if control of the compressor is based on the vehicle speed.
This place does not cover:
If the vehicle position is characterizing | |
Stop/Idle related control methods |
Attention is drawn to the following places, which may be of interest for search:
Specially adapted for navigation in a road network |
Attention is drawn to the following places, which may be of interest for search:
Air quality sensors per se |
Means (levers, gears...) for moving doors see B60H 1/00857
This place covers:
Drive means for doors etc are classified here.
Attention is drawn to the following places, which may be of interest for search:
Gears | |
Domestic use |
Attention is drawn to the following places, which may be of interest for search:
The system uses a heat pump | |
Heat pumps |
This place covers:
Methods for detection of insufficient refrigerant charge (when performed by the vehicle itself) are classified here.
See B60H 1/3233 for compressor saving methods.
F25B 2700/04 (B60H): detecting the charge level of refrigerant
This place does not cover:
Devices for Testing HVAC are classified in |
Attention is drawn to the following places, which may be of interest for search:
Safety devices for refrigeration machines, e.g. level control of refrigerant |
In patent documents, the following abbreviations are often used:
DE | Füllstandserkennung |
Attention is drawn to the following places, which may be of interest for search:
Instruments in dashboards | |
Display or monitoring for domestic air-conditioning |
Attention is drawn to the following places, which may be of interest for search:
Heating, cooling or ventilating devices comprising regenerative heating or cooling means, e.g. heat accumulators | |
Heating devices using heat being derived from cooling an electric component, e.g. electric motors, electric circuits, fuel cells or batteries |
If no cooling water of the engine is used, then classify in B60H 2001/146
Attention is drawn to the following places, which may be of interest for search:
Viscous fluid heaters |
This place covers:
Heating devices for vehicles where the heat is derived from sources other than the cooling liquid of the propulsion plant, e.g. from lubrication oil, brakes or the transmission.
Attention is drawn to the following places, which may be of interest for search:
Liquid cooled brakes |
This place covers:
The source of heat is waste heat from electric components.
If an electric heater is provided: B60H 1/2215
This place does not cover:
Heating devices using both cooling liquid and exhaust gases of the propulsion plant |
Attention is drawn to the following places, which may be of interest for search:
Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy |
This place does not cover:
Heating devices comprising regenerative heating means |
Attention is drawn to the following places, which may be of interest for search:
HVAC devices being independent of the vehicle | |
Water heaters | |
Air heaters | |
Details of fluid heaters having heat-generating means in general |
Attention is drawn to the following places, which may be of interest for search:
Methods or apparatus for combustion using fluid fuel or solid fuel suspended in air | |
Burners | |
Burners using capillary action | |
Exhaust systems for conducting smoke or fumes from combustion | |
Feeding fuel to combustion apparatus | |
Controlling combustion | |
Controlling combustion for vehicle heating | |
Ignition means | |
Water heaters with helically or spirally coiled tubes using fluid fuel | |
Arrangement or mounting of grates or heating means in fluid heaters |
Attention is drawn to the following places, which may be of interest for search:
Systems for controlling combustion |
Attention is drawn to the following places, which may be of interest for search:
Supply of electric power to heating circuits in electric vehicles | |
Electric resistance heating for domestic use | |
Electric water heaters in general | |
Electric heating for vehicles |
Attention is drawn to the following places, which may be of interest for search:
Helically or spirally coiled water heaters with electrical energy supply |
Attention is drawn to the following places, which may be of interest for search:
Heating means for windscreen-cleaning liquid | |
Water heaters specially adapted for vehicle systems | |
Air heaters using electric energy supply |
This place covers:
Ventilating systems in a vehicle characterized by the position of the nozzles relative to the vehicle.
Attention is drawn to the following places, which may be of interest for search:
Dashboards having incorporated ventilation channels |
Attention is drawn to the following places, which may be of interest for search:
Check valves | |
Air-flow control members with movable members for domestic air-conditioning |
Attention is drawn to the following places, which may be of interest for search:
Radiator guards |
Attention is drawn to the following places, which may be of interest for search:
Roof Hatches per se |
This place does not cover:
Air-extractors, air-evacuation from the vehicle interior |
Attention is drawn to the following places, which may be of interest for search:
Door pillars as part of the vehicle superstructure |
Attention is drawn to the following places, which may be of interest for search:
Cowls for vehicles |
This place does not cover:
Air-conditioning devices using the Peltier effect | |
Cooling devices comprising regenerative cooling means, e.g. cold accumulators |
Attention is drawn to the following places, which may be of interest for search:
Vehicles adapted to transport refrigerated goods |
Attention is drawn to the following places, which may be of interest for search:
Liquids for absorption type circuits | |
Sorbtion machines in general |
Attention is drawn to the following places, which may be of interest for search:
Cooling devices using sublimation, e.g. dry ice cooling or melting ice | |
Domestic air-conditioning systems or apparatus using evaporation | |
Machines using evaporation of refrigerant without recovery of the vapour | |
Devices using evaporation without recovery of the vapour | |
Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation |
This place does not cover:
Cooling devices characterised by condensed liquid drainage means |
Attention is drawn to the following places, which may be of interest for search:
Refrigerant liquids | |
Cooling devices using compression, in general |
This place covers:
Hybrid compressor drives (mechanic and electric) are classified here
This place does not cover:
Vehicle drive related control of the compressor drive means | |
Self-contained devices |
If batteries are cooled, use B60H 1/00278.
This place covers:
Refrigerant units for truck cargo space
B60H 1/00014 if the aspects of the vehicle are characterizing.
This place does not cover:
Self-contained devices |
Attention is drawn to the following places, which may be of interest for search:
Refrigerated goods vehicles |
Attention is drawn to the following places, which may be of interest for search:
Evacuating condensate in domestic air-conditioning |
Attention is drawn to the following places, which may be of interest for search:
Arrangement of multiple air diffusers for cabin ventilation | |
Outlets for windshield defrosting | |
Outlets for directing or distributing air into rooms or spaces for domestic air conditioning or ventilation | |
Air-flow control members, e.g. louvres, grilles or flaps for domestic air conditioning |
Attention is drawn to the following places, which may be of interest for search:
Domestic air-conditioning |
This place covers:
Devices for treating air inside or flowing into a cabin or load area of a vehicle, characterised by other aspects than heating, cooling or ventilation, e.g. scenting, deodorising, ionising, humidity control or filtering.
Examples of places in relation to which this place is residual:
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 |
Attention is drawn to the following places, which may be of interest for search:
Human necessities | |
Air treatment other than cooling or heating in domestic air-conditioning systems |
Attention is drawn to the following places, which may be of interest for search:
Disinfection, sterilisation or deodorisation of air using ultraviolet radiation | |
Disinfection, sterilisation or deodorisation of air using ionisation | |
Applying ionised fluids for electrotherapy | |
Purification of air supplied to human living or working spaces by separation using electrical means | |
Sterilisation of air supplied to human living or working spaces using UV light | |
Ionising air supplied to human living or working spaces | |
Odorisation of air supplied to human living or working spaces |
This place covers:
Cleaning or disinfecting of the interior of the HVAC for preventing or removing smell or malodour, e.g. malodour caused by fungi or accumulated dirt.
Attention is drawn to the following places, which may be of interest for search:
Disinfection or sterilisation of materials or objects, in general; Accessories therefor | |
Cleaning internal surfaces in general | |
Cleaning substances | |
Cleaning by jets | |
Cleaning by using chemical substances |
This place covers:
- Means for reducing or increasing air humidity;
- Control of air humidity.
Examples of places in relation to which this place is residual:
Cooling devices using evaporation | |
Control of compression-based cooling systems for dehumidification |
This place covers:
Cleaning outside or recirculated air entering the vehicle cabin by the use of filters.
Attention is drawn to the following places, which may be of interest for search:
Air-treating devices comprising electric purifying means | |
Filters with additional separating or treating functions | |
Filters with additional adsorption or absorption functions | |
Filter condition indicators | |
Gas separation by adsorption using stationary adsorbents | |
Filters adapted for separating dispersed particles from gases or vapours specially modified for cleaning of environmental air, e.g. by filters installed on vehicles or on streets | |
Arrangement or mounting of filters for domestic air-conditioning |