Motors: expansible chamber type – Three or more cylinders arranged in parallel radial or... – Separate motive fluid control for each working chamber
Patent
1988-06-09
1990-02-06
Look, Edward L.
Motors: expansible chamber type
Three or more cylinders arranged in parallel radial or...
Separate motive fluid control for each working chamber
91189R, 91193, 91194, F01B 100
Patent
active
048980757
ABSTRACT:
An indexing mechanism comprising a member adapted to be advanced a predetermined amount and along a predetermined path, a pair of spaced drivers, and a control valve for operating the drivers in an alternative manner. The member adapted to be advanced defines a profile surface including a plurality of spaced radial segments. Each radial segment includes a crown section which is joined to an adjacent crown section by two oppositely directed ramps defining a fillet radius therebetween. The spacing between the drivers being such that when one driver is urged against a crown section the other driver acts against a fillet radius. The drivers are operated by the control valve 180.degree. out of phase relative to each other. A driver, after moving off a crown section, coacts with ramp to impart a driving force to the member. The driving force being sufficient to move the member in an indexed fashion the predetermined amount of its movement.
REFERENCES:
patent: 2563622 (1951-08-01), Scott
patent: 2644309 (1953-07-01), Detrez
patent: 3661059 (1972-05-01), Hunter et al.
patent: 3848515 (1974-11-01), Gardineer et al.
patent: 4062219 (1977-12-01), Chuparov et al.
patent: 4598627 (1986-02-01), Brisland
J. I. Case Company
Look Edward L.
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