Variable flow rate pump for fluid

Details Variable flow rate pump for fluid Variable flow rate pump for fluid

F - Mech Eng,Light,Heat,Weapons

02

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103/48

F02M 39/00 (2006.01) F02M 51/02 (2006.01) F02M 51/04 (2006.01) F04B 49/00 (2006.01) F02B 1/04 (2006.01)

Patent

CA 1300978

ABSTRACT A variable flow rate pump for fluid comprises two electrically driven reciprocating fluid delivery mechanisms communicating to a common fluid outflow from the pump wherein the rate of fluid delivery of the pump is variable by varying the phase of operation of the fluid delivery mechanisms relative to one another. Each fluid delivery mechanism includes an electromagnetic drive and the relative phase of operation of the mechanisms is variable by varying the phase relationship between electrical energising currents to the electromagnetic drives. The relative phase of operation of the fluid delivery mechanisms is variable between the mechanisms operating in unison with one another or towards in unison with one another, for delivery of fluid at a maximum rate, and the mechanisms operating in opposition to one another or towards in opposition to one another, for delivery of fuel at a minimum rate.

582849

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