F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
74/204, 103/83,
F04C 2/02 (2006.01) F04C 2/10 (2006.01)
Patent
CA 1217089
ROTARY GEROTOR HYDRAULIC DEVICE WITH FLUID CONTROL PASSAGEWAYS THROUGH THE ROTOR Abstract of the Disclosure A rotary fluid pressure device is disclosed compris- ing a housing having fluid inlet and outlet means and enclosing a gerotor having an internally toothed member and a coacting externally toothed member having a less number of teeth than the internally toothed member and having its axis positioned eccentrically relative to the axis of the internally toothed member. A wobble stick in the housing has a first end con- nected to the axial drive shaft and a second end connected to the gerotor member having the orbital movement. The housing has one set of passageways communicating at all times with the ex- panding and contracting gerotor cells. The gerotor member having orbital movement is, in addition to its usual function, a valve with two travel passageways, one travel passageway coaxially surrounding the other passageway. These two travel passageways communicate at all times part of the set of passage- ways in the housing with only one fluid inlet or outlet while communicating other of this same set of passageways with the other fluid inlet and outlet. A star-pointed annulus increases commutation fluid flow. A laminated plate design facilitates the construction of the porting passages.
422267
Ridout & Maybee Llp
White Hollis N. Jr.
LandOfFree
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