F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 17/04 (2006.01) F02M 59/00 (2006.01) F04B 53/10 (2006.01)
Patent
CA 2646398
A reciprocating pump includes a drive section and a pump selection. The drive section has a reciprocating coil assembly to which alternating polarity control signals are applied during operation. A permanent magnet structure of the drive section creates a magnetic flux field which interacts with an electromagnetic field produced during application of the control signals to the coil. Depending upon the polarity of the control signals applied to the coil, the coil is driven in one of two directions of movement. A drive member transfers movement of the coil to a pump element which reciprocates with the coil to draw fluid into a pump chamber and expel the fluid during each pump cycle. The pump is particularly well suited to cyclic pumping applications, such as fuel injection and emissions control systems for internal combustion engines.
Brp Us Inc.
Osler Hoskin & Harcourt Llp
LandOfFree
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