Electrical fluid pumping device including first and second...

Details Electrical fluid pumping device including first and second... Electrical fluid pumping device including first and second...

F - Mech Eng,Light,Heat,Weapons

04

B

103/26, 115/3

F04B 23/04 (2006.01) F01M 3/00 (2006.01) F02M 37/08 (2006.01) F02M 37/14 (2006.01) F02B 61/04 (2006.01) F02B 75/02 (2006.01)

Patent

CA 1238517

ABSTRACT OF THE DISCLOSURE A marine propulsion device including a fluid pumping device comprising a first mechanism for pumping fluid comprising a pump housing defining a recess, a movable wall which is in the recess and which cooperates with the recess to define a variable volume fluid pumping chamber, a fluid inlet in communication with the fluid pumping chamber, a check valve in the fluid inlet permitting fluid flow into and preventing fluid flow from the fluid pumping chamber, a fluid outlet in communication with the fluid pumping chamber, a check valve in the fluid outlet preventing fluid flow into and permitting fluid flow from the fluid outlet, a spring for moving the movable wall in one direction, a solenoid mechanism comprising a plunger connected to the movable wall and a solenoid coil for moving the plunger and the movable wall in an opposite direction against the action of the spring, and a second mechanism connected to the movable wall for pumping fluid.

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