F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
103/37
F04B 43/08 (2006.01) F04B 43/00 (2006.01) F04B 43/09 (2006.01)
Patent
CA 1263274
Abstract of the Disclosure A pump includes a pair of circular metal bellows rigidly secured to the pump housing at the perimeter of their accordion-like ring structures and interconnected at their centers so as to he capable of flexing in phase. An electrical coil is attached to the interconnected bellows and is axially movable with the bellows. The coil is surrounded by a permanent magnet structure secured to the pump housing. Each bellows communicates with an associated fluid chamber which has a valve structure for the inlet and outlet of fluid. The coil is electrically connected to an alternating current power supply, the connection being made through the electrically conductive bellows. The bellows flex in phase in the presence of the alternating current to the coil and thus alternately pull fluid in and force fluid out of the respective fluid chambers. Since the fluid chambers are connected to a common fluid output and since the bellows axially flex: in phase, there are two pressured pulses per pump cycle.
506438
Crawford Roy P.
Watrous Robert B.
Crawford Roy P.
International Business Machines Corporation
Kerr Alexander
Watrous Robert B.
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