F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 17/04 (2006.01) F25B 31/00 (2006.01)
Patent
CA 2468378
A linear pump for pumping gas in heating and air-conditioning (HVAC) units, consisting of an outside housing sleeve having one electrical coil around it through which circulates alternative current. And having inside an oscillating sleeve, in the form of a hollow cylindrical piston fitted with a check valves at both ends, and having an electrical coil around it. A circuitry to provide low voltage alternating current in the outside coil while another circuit maintains a constant currrent in the oscillating piston's coil.
Depelteau Robert J.
Na
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