Motors: expansible chamber type – Working member position responsive motive fluid control – Venting expanding chamber
Patent
1977-03-07
1978-09-05
Maslousky, Paul E.
Motors: expansible chamber type
Working member position responsive motive fluid control
Venting expanding chamber
92108, 92165PR, 92167, F15B 1522, F01B 1900
Patent
active
041111001
ABSTRACT:
This invention relates to a non-rotatable fluid powered nozzle and valve combination which includes a cylinder having a piston reciprocally received therein for movement between two reciprocated positions and which defines two separated fluid chambers therewith. A piston rod secured to the piston is slidably received through one end of the cylinder, the cylinder being provided with two ports communicating with said two chambers, respectively. The piston and piston rod conjointly having a longitudinally extending passage therethrough. A hexagonal pin is disposed in one of said chambers and is slidably received in sealing relation by a hexagonal portion of the aforesaid passage. The pin is secured in the other end of the cylinder for limited radial but against longitudinal movement with respect to the cylinder. The pin in sealing relation with a portion of said passage for one position of the piston constitutes a valve which closes or prevents communication between the passage and said one chamber; however, upon movement of said piston in a direction to withdraw the pin from the passage, eventually a position will be reached where a valve opening will be uncovered thereby establishing communication between said one chamber and the passage.
REFERENCES:
patent: 2714331 (1955-08-01), Plante
patent: 3362211 (1968-01-01), Chirco
patent: 3835753 (1974-09-01), Bunyard
patent: 3896703 (1975-07-01), Bertanza
Maslousky Paul E.
PHD, Inc.
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