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Class Information
Number: 62/403
Name: Refrigeration > Air compressor, cooler and expander type > Motor-type expander > Reciprocating element-type motor, e.g., piston
Description: Apparatus in which the motor includes a reciprocating element, e.g., piston.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6662575 |
Conditioning of air supply |
Dec. 16, 2003 |
| 6397623 |
Cooling device |
Jun. 4, 2002 |
| 5535601 |
Air conditioning system |
Jul. 16, 1996 |
| 5295370 |
Air conditioner |
Mar. 22, 1994 |
| 4520632 |
Method and apparatus for extracting heat and mechanical energy from a pressured gas |
Jun. 4, 1985 |
| 4513576 |
Gas pressure operated power source |
Apr. 30, 1985 |
| 4483154 |
Refrigerated air conditioning system using diaphragm pump |
Nov. 20, 1984 |
| 4433551 |
Method and apparatus for deriving mechanical energy from a heat source |
Feb. 28, 1984 |
| 4420945 |
Method and apparatus for extracting energy from a pressured gas |
Dec. 20, 1983 |
| 4398396 |
Motor-driven, expander-compressor transducer |
Aug. 16, 1983 |
| 4345926 |
Expansion engine |
Aug. 24, 1982 |
| 4335579 |
Refrigerating system |
Jun. 22, 1982 |
| 4242878 |
Isothermal compressor apparatus and method |
Jan. 6, 1981 |
| 4208885 |
Expander-compressor transducer |
Jun. 24, 1980 |
| 4139991 |
Gas conditioner |
Feb. 20, 1979 |
| 3999402 |
Cam drive pump refrigerators |
Dec. 28, 1976 |
| 3937030 |
Method and device for gas refrigeration |
Feb. 10, 1976 |
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