Rotary expansible chamber devices – Working member has planetary or planetating movement – Plural working members or chambers
Patent
1989-10-24
1991-10-15
Vrablik, John J.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Plural working members or chambers
F01C 110, F01C 1702, F03C 208
Patent
active
050569945
ABSTRACT:
A hydrostatic rotary piston machine contains a displacement part acting as a driven part and an adjacent control part which serves to supply and removed operating fluid to and from the displacement part. The displacement part has a rigid housing with a first inner tooth system which interacts with a rotatable, eccentrically arranged rotary piston having a first outer tooth system. The rotary piston has a second inner tooth system which intermeshes with a second outer tooth system on a centrally mounted shaft which passes through the control part and is mounted at both ends. The difference is the number of teeth between the first inner tooth system and first outer tooth system is 1. The second inner and outer tooth system differ by at least two in the number of teeth, the outer tooth system always being that with the smaller number of teeth. A rotary commutator of the control part is coupled to the rotary piston via an arc gear having a transmission ratio of 1:1.
REFERENCES:
patent: 3106163 (1963-10-01), Mosbacher
patent: 3288078 (1966-11-01), Monroe et al.
patent: 4741681 (1988-05-01), Bernstrom
Eisenmann Siegfried
Harle Hermann
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