Piston pump with fluid reservoir

Details Piston pump with fluid reservoir Piston pump with fluid reservoir

2011-01-25

2011-01-25

Kramer, Devon C (Department: 3746)

Pumps

Three or more cylinders arranged in parallel, radial, or...

Radial cylinders

C417S470000, C092S072000, C092S086000

Reexamination Certificate

active

07874814

ABSTRACT:
In an electrically-driven piston pump including a fluid reservoir for retaining fluid that has leaked into a cam chamber, at an edge between a side wall surface of the cam chamber and the fluid reservoir, an upper edge, which is positioned on the upper side, is arranged so as to extend downward from the electric motor side toward the side away from the electric motor. With this arrangement, the fluid that has leaked into the cam chamber from a piston bore flows from the electric motor side toward the side away from the electric motor, coursing along the upper edge due to the gravity, and is thus introduced into the fluid reservoir.

REFERENCES:
patent: 7313998 (2008-01-01), Dinkel
patent: WO 97/48583 (1997-12-01), None

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