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Patent No. 5277148

Wearable Pet Enclosure

An enclosure for small animals which is wearable on the front or back of an animate being.

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Class 417/438 - Liquid coolant introduced into gas pump chamber or inlet


Subclass of Class 417 - Pumps
Definition: Apparatus in which the fluid pumped is a gas and means are
No. of patents: 7
Last issue date: 07/04/2006


NumberTitleIssue Date
7069979Phase change heat sink for use in electrical solenoids and motors
A method, and a system for reducing the internal temperature of an electrical solenoid or motor device involves placing a heat absorbing phase change material (PCM) in intimate contact with the device to reduce the internal temperature of the device. The PCM materia...
07/04/2006
6206660Apparatus for controlling gas temperature in compressors
An apparatus is provided for controlling gas temperature during compression or expansion. The apparatus comprises a chamber for containing gas, a piston for changing the volume of gas in the chamber, a plurality of atomisers for spraying liquid into the c...
03/27/2001
5769610High pressure compressor with internal, cooled compression
A high pressure gas compressor in one embodiment having an internal two staged compression with a compression chamber formed in part by a positive displacement, stepped piston and cylinder configuration, providing a first stage compression by an enlarged ...
06/23/1998
5641273Method and apparatus for efficiently compressing a gas
A method and apparatus for compressing a gas by adiabatic compression and isothermal compression. In a preferred embodiment, the gas is first adiabatically compressed from a first state to a second state and then isothermally compressed to a third final d...
06/24/1997
5311739External combustion engine
An improved efficiency external combustion engine which utilizes separation on the thermodynamic processes that occur in an external combustion engine into components designed to maximum each operation. The external combustion engine varies flow volume of...
05/17/1994
4273514Waste gas recovery systems
A waste gas recovery system employs a compressor which takes in waste gas from an inlet knock-out drum and passes compressed gas to a heat exchanger which cools the gas prior to passage through a further outlet knockout drum. The compressor is driven at a...
06/16/1981
4270884Waste gas recovery system
A waste gas recovery system employs a compressor which takes in raw waste gas from an inlet knock-out drum and passes compressed gas through a heat exchanger to an outlet knock-out drum. The temperature at the outlet of the compressor is sensed by a devic...
06/02/1981
 
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