F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
103/42
F04B 35/00 (2006.01)
Patent
CA 1306385
ABSTRACT A gas pressure operated proportioning pump is provided including axially aligned and spaced opposed end pumping cylinders and an intermediate drive cylinder provided with centrally apertured opposite and cylinder heads. A piston is reciprocal in the drive cylinder and includes oppositely axially projecting diametrically reduced pumping pistons extending and reciprocal through the cylinder heads in sliding sealed engagement therewith and projecting into the adjacent ends of the pumping cylinders. The pumping cylinder adjacent ends include seal structure slidingly and sealingly engaged with the pumping pistons and the remote ends of the pumping cylinders include check valve equipped fluid inlet and outlet ports. Fluid pressure and supply discharge structure is included for inversely supplying and discharging drive fluid to and from the opposite ends of the drive cylinder and alternating the drive cylinder ends to and from which drive fluid is supplied and discharged in sequence with reciprocation of the drive piston.
561146
Greentree Grace Mary
Mccarthy Tetrault Llp
LandOfFree
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