Motors: expansible chamber type – Moving cylinder – Plural rigidly connected rotary cylinders
Patent
1986-11-19
1988-06-07
Croyle, Carlton R.
Motors: expansible chamber type
Moving cylinder
Plural rigidly connected rotary cylinders
91488, 92 56, F01B 1300
Patent
active
047488956
ABSTRACT:
The former art provides multi-stroke hydrostatic motors, which perform at a single revolution of the rotor multiple inward and outward strokes of the pistons. A high torque was thereby obtained. The invention discovers, that the know multi-stroke motors have still relatively short piston strokes in relation to the diameter of the rotor.
The invention increases the efficiency of multiple stroke motors by the provision of control communications to control the flow of fluid pressure into pockets open to the piston faces and cylinder walls, whereby the torque of the rotor is transferred from the pistons to the cylinder walls by high pressure fluid in the pockets. The invention also provides radial guide extensions to enlarge the stroke of the pistons in a given size and weight of the device combined with the partial movement of the pockets along the guide extensions.
REFERENCES:
patent: 496966 (1893-05-01), Allen
patent: 622318 (1899-04-01), Almond
patent: 2111659 (1938-03-01), Benedek
patent: 2599609 (1952-06-01), Carey
patent: 3255706 (1966-06-01), Eickmann
patent: 3270723 (1966-09-01), Maroney
patent: 4685380 (1987-08-01), Eickmann
Croyle Carlton R.
Neils Paul F.
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