Class   236	AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION
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1R

MISCELLANEOUS

1A

. (1 indent ) Burner controls not elsewhere classified in class

1B

. (1 indent ) Zone control for heating and cooling medium

1C

. (1 indent ) Heating and cooling controls

1D

. (1 indent ) Stoker controls

1E

. (1 indent ) Multistage controls

1EA

.. (2 indent ) Multiple valve staging

1EB

.. (2 indent ) Single valve staging

1F

. (1 indent ) Piezoelectric crystal and other electric unit temperature controls

1G

. (1 indent ) Heat conserving damper control

1H

. (1 indent ) Burner controls with automatic cutoff

2

INCUBATOR TYPE OF HEATER

3

. (1 indent ) Electric

. (1 indent ) Thermostatic

4

.. (2 indent ) Expanding fluid

5

.. (2 indent ) Expanding solid

6

BROODER TYPE OF HEATER

7

SADIRON TYPE

8

ATOMIZER TYPE OF BURNER

9R

COMBINED HEATER AND APARTMENT CONTROLLED

9A

. (1 indent ) Combined heating and apartment control with heating medium circulation control

10

HOT-AIR FURNACE

11

. (1 indent ) Air and fire control

12.1

MIXING FLUID OF DISSIMILAR TEMPERATURE

12.11

. (1 indent ) Mixing valve with temperature motive means

12.12

.. (2 indent ) Having electrical motive means

12.13

. (1 indent ) Including bypass

12.14

. (1 indent ) Fluid from only one supply is controlled

12.15

. (1 indent ) Including separate relatively movable valve for each fluid supply

12.16

. (1 indent ) Having oscillating or reciprocating valve

12.17

.. (2 indent ) Valving member moves about an axis

12.18

... (3 indent ) Tubular valve member

12.19

... (3 indent ) Axially spaced flow control faces

12.2

.. (2 indent ) Tubular valve member

12.21

.. (2 indent ) Axially spaced flow control faces

12.22

... (3 indent ) Seats face outwardly

12.23

.. (2 indent ) Ports closed by valve action

13

. (1 indent ) Plenum type

14

COMBINED BOILER AND FURNACE CONTROLLED

15R

FURNACE CONTROLLED

15A

. (1 indent ) Domestic oven controls

15BR

. (1 indent ) Commercial furnace controls

15BA

.. (2 indent ) Solid fuel burning

15BB

.. (2 indent ) Product and furnace temperature sensor

15BC

.. (2 indent ) With conveyor thru furnace

15BD

.. (2 indent ) Air and fuel control

15BE

.. (2 indent ) Recuperator, gas turbine, melting furnace

15BF

.. (2 indent ) Specialized furnace or heater, e.g., crystal growing

15BG

.. (2 indent ) Timer or program

15C

. (1 indent ) Furnace controlled responsive to pressure

15E

. (1 indent ) Furnace controlled responsive to combustion products composition

16

COMBINED DRAFT AND CHECK CONTROL

EXCHANGE HEATERS

17

. (1 indent ) Pressure-operated

. (1 indent ) Thermostatic

18

.. (2 indent ) Expanding fluid

19

.. (2 indent ) Expanding solid

20R

CLOSED FLUID HEATERS

21R

. (1 indent ) Safety cut-out

21B

.. (2 indent ) Water heater control with excessive temperature cutoff

22

. (1 indent ) Radiator type

. (1 indent ) Combined thermostat and flow controlled

23

.. (2 indent ) One valve

24

.. (2 indent ) Two or more valves

24.5

. (1 indent ) Flow and pressure controlled

25R

. (1 indent ) Flow controlled

25A

.. (2 indent ) Flow responsive valve controlling fuel

26R

. (1 indent ) Pressure-operated

27

.. (2 indent ) With balancing pressure chamber

28

.. (2 indent ) Stroke retarding

29

.. (2 indent ) Relay, puppet

30

.. (2 indent ) Bourdon type

31

.. (2 indent ) Float

26A

.. (2 indent ) Gas burner controls

26B

.. (2 indent ) Pressure responsive means controls draft

26C

.. (2 indent ) Pressure responsive elements per se

26D

.. (2 indent ) Pressure responsive means controls forced draft

26E

.. (2 indent ) Pressure responsive means controls oil burner

26F

.. (2 indent ) Pressure responsive means controls fluid coupling

. (1 indent ) Thermostatic

32

.. (2 indent ) Expanding fluid

33

.. (2 indent ) Expanding solid

20A

. (1 indent ) Top burner control

34

COOLING RADIATOR

34.5

. (1 indent ) Bypass

35

. (1 indent ) Air control

35.2

.. (2 indent ) Shutters

35.3

... (3 indent ) Servomotor

36

HEATING RADIATOR

37

. (1 indent ) Combined radiator and apartment controlled

38

. (1 indent ) Air control

. (1 indent ) Exhaust operated

.. (2 indent ) Fluid-operated motor

39

... (3 indent ) Aspirator

40

.. (2 indent ) Thermostatic

41

... (3 indent ) With trap

. (1 indent ) Thermostatic

42

.. (2 indent ) Expanding fluid

43

.. (2 indent ) Expanding solid

44R

HUMIDITY CONTROL

44A

. (1 indent ) Humidity control per se

44B

. (1 indent ) With evaporator cooling spray

44C

. (1 indent ) Humidity and temperature control

44E

. (1 indent ) With electrical conductive element

45

DRAFT-OPERATED

46R

WITH TIMING ELEMENT

46A

. (1 indent ) Diverse sensor

46B

. (1 indent ) Stoker control

46C

. (1 indent ) Controlled diverse means

46D

. (1 indent ) Domestic oven

46E

. (1 indent ) Hot air furnace

46F

. (1 indent ) Timer other than clock

47

HIGH AND LOW TEMPERATURE ALTERNATE

48R

SNAP-ACTING

48A

. (1 indent ) Including a permanent magnet

49.1

VENTILATOR TYPE

49.2

. (1 indent ) Responsive to fire or smoke

49.3

. (1 indent ) Electrically actuated

49.4

. (1 indent ) Pneumatically actuated

49.5

. (1 indent ) Mechanical linkage actuated

50

LIQUID VALVE

51

DISTANCE-ADJUSTED

52

FLOAT-OPERATED

TRAPS

. (1 indent ) Float valve

53

.. (2 indent ) Thermostatic air valve

. (1 indent ) Pressure-operated valve

54

.. (2 indent ) Thermostatic pilot

. (1 indent ) Thermostatic

55

.. (2 indent ) With float-controlled pilot

56

.. (2 indent ) Expanding fluid

57

... (3 indent ) Bourdon type

58

... (3 indent ) Wafer type

59

.. (2 indent ) Expanding solid

60

... (3 indent ) Conduit

AIR-RELIEF VALVES

. (1 indent ) Radiator type

.. (2 indent ) Thermostatic

61

... (3 indent ) With pressure control

62

... (3 indent ) With separate float

63

... (3 indent ) Expanding float

64

... (3 indent ) Expanding fluid

65

.... (4 indent ) Float-operated

66

... (3 indent ) Expanding solid

67

MOTORS

. (1 indent ) Relay

68R

.. (2 indent ) Auxiliary heater

68A

... (3 indent ) Heated expansible chamber vaporizer liquid injected by thermostat

68B

... (3 indent ) Auxiliary heater applied to main temperature sensing means

68C

... (3 indent ) Auxiliary heater applied to control device away from main temperature sensor

68D

... (3 indent ) Thermo-controlled pilot burner operates a heat motor to actuate main fuel valve

69

.. (2 indent ) Pyrometer galvanometer

70

... (3 indent ) With beating element

71

. (1 indent ) Balanced

72

.. (2 indent ) Thermostatic relay

73

. (1 indent ) Continuous drive

74R

. (1 indent ) Electric

75

.. (2 indent ) Reciprocating or oscillating

76

.. (2 indent ) Step-by-step

77

.. (2 indent ) Vibrating arm

78R

.. (2 indent ) Relay

78A

... (3 indent ) Plural control elements

78B

... (3 indent ) Plural temperature sensors

78C

... (3 indent ) Reversible motor

78D

... (3 indent ) Proportional control

74A

.. (2 indent ) Electric motor driven pump

. (1 indent ) Fluid-operated

79

.. (2 indent ) Relay

80R

... (3 indent ) Shunt

80A

.... (4 indent ) Airplane

80B

.... (4 indent ) Plural main valves

80C

.... (4 indent ) Plural temperature sensors

80D

.... (4 indent ) Pure fluid

80E

.... (4 indent ) Plural pilots by single actuator

80F

.... (4 indent ) Diaphragm biased open by line pressure

80G

.... (4 indent ) Piston-type valve operator

81

... (3 indent ) Snap-acting

82

... (3 indent ) Compound

83

.... (4 indent ) Snap-acting

84

... (3 indent ) Electric

85

... (3 indent ) Pressure-operated

... (3 indent ) Thermostatic

86

.... (4 indent ) Expanding fluid

87

.... (4 indent ) Expanding solid

88

. (1 indent ) Magnetic release

89

.. (2 indent ) Safety cut-out

90

. (1 indent ) Thermal release

THERMOSTATIC

91R

. (1 indent ) Hot and cold

91A

.. (2 indent ) Nonhabitable enclosure, e.g., incubator

91B

.. (2 indent ) With oil burner

91C

.. (2 indent ) With diverse sensor, e.g., humidity, pressure

91D

.. (2 indent ) Heating and cooling

91E

.. (2 indent ) Plural room or plural outside thermostat

91F

.. (2 indent ) With at least one temperature sensor for temperature modifying media

91G

.. (2 indent ) Current modifying sensor

92R

. (1 indent ) With pressure control

92A

.. (2 indent ) Combined with fuel gas pressure regulator

92B

.. (2 indent ) Refrigeration expansion valves

92C

.. (2 indent ) Pressure- and temperature-actuated relief valves

92D

.. (2 indent ) Pressure- and temperature-actuated valves associated with carburetors

93R

. (1 indent ) In fluid controlled

93A

.. (2 indent ) Expanding fluid

93B

.. (2 indent ) Shower heads

94

. (1 indent ) With indicator or alarm

. (1 indent ) Flue or heater attached

95

.. (2 indent ) Expanding fluid

96

.. (2 indent ) Expanding solid

97

. (1 indent ) Cooled element

98

. (1 indent ) Fluid transmission

99R

. (1 indent ) Expanding fluid

100

.. (2 indent ) Float or piston operation

99A

.. (2 indent ) Nontemperature sensor

99B

.. (2 indent ) Nonvalving device

99C

.. (2 indent ) External and internal sensors

99D

.. (2 indent ) Heat shield

99E

.. (2 indent ) Plural temperature sensors

99F

.. (2 indent ) Pivoted valve

99G

.. (2 indent ) Lever

99H

.. (2 indent ) Liquid fuel feed

99K

.. (2 indent ) Wax thermostat

99J

.. (2 indent ) In flow line

101R

. (1 indent ) Expanding solid

102

.. (2 indent ) Concentric elements

103

.. (2 indent ) Conduit

104

.. (2 indent ) Fire pot

101A

.. (2 indent ) Plural inlets or outlets

101B

.. (2 indent ) Plural thermostats

101C

.. (2 indent ) Thermostat with I.C.E.

101D

.. (2 indent ) Coil thermostat

101E

.. (2 indent ) Compound lever

	FOREIGN ART COLLECTIONS

FOR000

CLASS-RELATED FOREIGN DOCUMENTS

	DIGESTS

DIG1

ADJUSTABLE LEVER

DIG2

FAIL SAFE

DIG3

SAFETY ELECTRIC

DIG4

SAFETY VACUUM

DIG5

FUSIBLE

DIG6

CLAMP ON

DIG7

COIL BULB

DIG8

COMPUTER

DIG9

FAN CONTROL

DIG10

FILLING

DIG11

EXPANDIBLE FLUID

DIG12

HEAT CONDUCTOR

DIG13

HUMIDITHERMOSTAT

DIG14

INTERMITTANT CONTROL

DIG15

PHOTOCELL

DIG16

RELIEF SPRING

DIG17

SPRING RATE COMPENSATOR

DIG18

RUBBER

DIG19

VENTILATED THERMOSTAT

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