Pressure generation device

Details Pressure generation device Pressure generation device

2011-04-12

2011-04-12

Freay, Charles G (Department: 3746)

Pumps

Operated by art device

Vehicle mounted or attached

C417S571000, C092S031000, C074S057000

Reexamination Certificate

active

07922459

ABSTRACT:
A pressure-generating device includes an axle hub having a rotary shaft portion supported rotatably in a nonrotatable cylindrical support portion via bearings; a piston attached to the rotary shaft portion in a unitarily rotatable manner and so as to perform a pumping action, and, in cooperation with the rotary shaft portion, forming a pump chamber therebetween; a cam member and cam followers for converting a rotary motion of the axle hub in relation to the cylindrical support member to the pumping action of the piston; a suction path formed in the axle hub and enabling introduction of air into the pump chamber; and a discharge path formed in the axle hub and enabling discharge of air from the pump chamber.

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Chinese Office Action (w/English Translation).

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