Position-transmitting equipment

Details Position-transmitting equipment Position-transmitting equipment

1975-08-04

1977-07-05

Maslousky, Paul E.

Power plants

Pressure fluid source and motor

Pulsator

60584, 60587, 60594, F15B 710, F15B 708

Patent

active

040331326

ABSTRACT:
A position-transmitting equipment especially suitable for transmitting steering commands in a small watercraft comprises a transmitter unit in which a cylinder is reciprocable endwise in a housing in accordance with position information to be transmitted. The cylinder is divided internally into two working chambers by a transverse partition. A gland at each end of the cylinder seals about a tubular plunger fixed to the housing so that reciprocation of the cylinder differentially adjusts the working chamber volumes, without risk of jamming and the need for close tolerances. The housing, cylinder and plungers can all be made of plastics material. The plungers provide communication via conduits to a double-acting actuator constituting a receiver unit. The equipment optionally includes a recuperator unit to maintain a selected working fluid pressure in the system.

REFERENCES:
patent: 577342 (1897-02-01), Bain
patent: 2669096 (1954-02-01), MacDuff
patent: 2882686 (1959-04-01), Griffith
patent: 2997849 (1961-08-01), Shimonckas
patent: 3209541 (1965-10-01), Dunphy
patent: 3299637 (1967-01-01), Ballard

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