Vane pump, method for adjusting pump flow rate of vane pump...

Details Vane pump, method for adjusting pump flow rate of vane pump... Vane pump, method for adjusting pump flow rate of vane pump...

2007-07-03

2007-07-03

Williams, Hezron (Department: 2856)

Measuring and testing

Simulating operating condition

Marine

C418S131000, C418S134000, C418S259000

Reexamination Certificate

active

10923777

ABSTRACT:
A rotor includes a plurality of vanes and is connected to a rotatable shaft of a motor arrangement. A casing includes a pump chamber and elongated holes. The pump chamber receives the rotor in such a manner that the rotor is eccentric to the pump chamber. Each elongated hole penetrates through the casing and has an elongated cross section. A major axis of the elongated cross section of each elongated hole extends in a direction of eccentricity of the rotor relative to the pump chamber. Each bolt is received through a corresponding elongated hole of the casing and is threadably engaged with a mount to connect the casing to the mount. The casing holds each bolt in a minor axial direction of the elongated cross section of the corresponding elongated hole to limit substantial movement of the male threaded screw member in the minor axial direction of the elongated hole.

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patent: 2006/0191330 (2006-08-01), Hayakawa et al.
patent: 03199686 (1991-08-01), None

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