Motors: expansible chamber type – Cutoff after single complete cycle
Patent
1982-09-24
1984-07-03
Maslousky, Paul E.
Motors: expansible chamber type
Cutoff after single complete cycle
91399, 91416, 91459, 92136, F15B 1115, F15B 1517
Patent
active
044572107
ABSTRACT:
An energy conserving air motor with rotary actuation includes a pair of cooperating different diameter pistons coaxially arranged and connected rigidly to one another by a central connecting member provided with spur gear section adaptable of receiving a meshing pinion assembled inside an elongated housing provided with a diffential diameter bore passing therethrough and adaptable of receiving inside a larger diameter section which is blind a larger piston while smaller diameter section which is provided with fluid supply and exhaust port means receives smaller diameter piston while said pinion entering said housing perpendicularly substantially central to the housing ends so as to rotate therein when pistons move linearly inside bore between a first normally atmospheric and a second energized positions in response to the working fluid pressure supplied via fluid supply and exhaust port means by way of a 3-way solenoid or pilot operated directional valve so as to allow energization of the small diameter piston, initially atmospheric, with an end force large enough to shift piston assembly into the second energized position at which time working fluid enters backside of the larger piston via internal pilot porting provided therebetween to exert a much larger end force than that prevailing over the small piston, automatically returning piston assembly into the first original position for an eventual exhaust of the working fluid via 3-way valve and cycle repetition saving energy.
REFERENCES:
patent: 1056600 (1913-03-01), Spohrer
patent: 2746425 (1956-05-01), Scholer
patent: 3023739 (1962-03-01), Dickson, Jr. et al.
patent: 4226167 (1980-10-01), Lew
Maslousky Paul E.
Pauliukonis R. S.
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