Variable displacement pump

Details Variable displacement pump Variable displacement pump

1998-09-02

2000-03-28

Solis, Erick R.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

417559, 418 30, F04C 1504, F04C 2344

Patent

active

060423439

ABSTRACT:
A cam case 23 is provided which swingably supports a cam ring 34 for forming a pump chamber 36 from a rotor in a state in which the rotor 33 having a vane 33a is moved to an eccentric position such that a swingable pin 35 axially disposed is used as a fulcrum. A pump body is formed adjacent to the two axial ends of the cam case. Moreover, a front body 21 and a rear body 22 for rotatively supporting a rotational shaft 40 of the rotor are disposed. As one of locating means for locating the two bodies and the cam case when an assembling process is performed, the swingable pin is employed. As another locating means, at least one of joining means for integrally connecting the two bodies and the cam case is a reamer bolt 45A.

REFERENCES:
patent: 5518380 (1996-05-01), Fujii et al.
patent: 5562432 (1996-10-01), Semba et al.
patent: 5895209 (1999-04-01), Miyazawa

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