Motors: expansible chamber type – Three or more cylinders arranged in parallel radial or... – Radially disposed cylinders
Patent
1984-06-12
1986-12-23
Freeh, William L.
Motors: expansible chamber type
Three or more cylinders arranged in parallel radial or...
Radially disposed cylinders
91473, 188368, 192 18A, 192 85AA, F01B 1306, B60T 1100, F16D 1106
Patent
active
046305289
ABSTRACT:
In a vehicle or device a fluid motor is employed to drive rotary members, such as wheels, propellers, tracks. The motor is provided with an arrangement which includes a control means and an axially moveable member. By utilizing the control means, for example, by a flow of fluid, the axially moveable member is used to apply an action, which is not common to the usual operation of fluid motors. The arrangement may be used to arrest the rotor of the motor from rotation when no pressure is in the driving fluid line. It may also be used to control the pitch of propellers with variable pitch arrangements. Also possible is to use the arrangement to automatically obtain an auto-rotation of rotor blades on vertical axes of vertically take off and landing vehicles, when the pressure in the fluid line to the motors for driving the motors drops below a predetermined minimum of pressure. The specific detail of the present invention is to provide on the interior of the front portion of a fluid motor a wave-configuration with valleys and hills and to locate between the rotor and the wave configuration a partially complementary configurated plate which is subjected to a piston in the rotor while the piston in the rotor is subjected on one axial end to the force of a spring and on the other axial end to the pressure in the fluid in the motor whereby the mentioned plate arrests the rotor into the mentioned wave configuration when no pressure is in the fluid in the motor and disarrests the rotor when fluid under pressure acts in the rotor of the motor.
REFERENCES:
patent: 1561722 (1925-11-01), Jimerson
patent: 2927669 (1960-03-01), Walerowski
patent: 3661057 (1972-05-01), Roqou
patent: 3688878 (1972-09-01), Barmasse
patent: 3913454 (1975-10-01), Nelson
patent: 4095510 (1978-06-01), Ohrborg
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