Internal axis rotary piston machine with meshing engagement betw

Details Internal axis rotary piston machine with meshing engagement betw Internal axis rotary piston machine with meshing engagement betw

1988-05-16

1990-07-24

Smith, Leonard E.

Pumps

With condition responsive pumped fluid control

Pressure responsive relief or bypass valve

418168, 418141, F04B 2102

Patent

active

049432133

ABSTRACT:
An internal axis rotary piston machine containing in a housing (2), an outer rotor (26), with which an inner rotor (8) having n engagement parts (9) is in meshing engagement, there being n+1 recesses between engagement parts (34) of the outer rotor (26). The inner rotor (8) and outer rotor (26) rotate uniformly at a speed ratio of (n+1):n. There is contact of the tooth-flank type between inside faces of the outer rotor (26) and outside faces of the inner rotor (8) such that working spaces (66) are formed and move past inlet and outlet orifices (63, 64) of the housing (2). The rotary piston machine is designed in such a way that cost-effective production can be achieved while assuring a simple construction. To achieve this, it is proposed that the housing (2) should have, on the drive side, a bottom (4) formed in one piece and should be made pot-shaped. The bottom (4) has an outer face for a bearing (30) of the outer rotor (26), especially on a ring (28) extending axially into the end of the outer rotor (6).

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patent: 4466414 (1984-08-01), Yoshimura et al.
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patent: 4540347 (1985-09-01), Child
patent: 4657495 (1987-04-01), Sakamaki et al.
patent: 4714417 (1987-12-01), Wankel
patent: 4722672 (1988-02-01), Rinneer
patent: 4740140 (1988-04-01), Benson
patent: 4750867 (1988-06-01), Hertell et al.

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