F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 47/00 (2006.01) E21B 43/12 (2006.01) F04B 53/10 (2006.01)
Patent
CA 2539718
A pump apparatus is provided comprising: a housing; a water chamber in the housing; an hydraulic chamber in the housing; a rod member extending at least partially into each of the water chamber and the hydraulic chamber; a first piston member mounted on the rod member and contained within the hydraulic chamber; a second piston member mounted on the rod member and contained within the water chamber; hydraulic means for alternatively forcing the first piston member in first and second directions; fluid inlet means extending through the housing adjacent an end of the water chamber; and fluid outlet means extending through the housing adjacent the end of the water chamber; wherein when the hydraulic means force the first piston member to move in the first direction, the second piston member is forced to move in the first direction, and fluid is drawn through the fluid inlet means into the water chamber; and wherein when the hydraulic means force the first piston member to move in the second direction, the second piston member is forced to move in the second direction, and fluid is forced through the fluid outlet means.
Gowling Lafleur Henderson Llp
Red Dragon Hydraulics Ltd.
LandOfFree
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