Electricity: motive power systems – Torquing motors
Patent
1985-06-19
1987-04-07
Dobeck, Benjamin
Electricity: motive power systems
Torquing motors
318 2, 180 791, 74388PS, G05D 1700
Patent
active
046564098
ABSTRACT:
An electromagnetic servo unit is constituted with an outer casing (1), a first shaft (4) and a second shaft (5) both rotatably supported by the casing, an electric motor (2) built in the casing coaxially with the second shaft, a torque detecting mechanism (4b, 29, 27, 41, 42, 34, 35) for detecting torque applied to either of the first and second shafts, a control mechanism (34, 35, 41, 42) for receiving a detection signal from the torque detecting mechanism and controlling operation of the electric motor, and a transmission mechanism (8; 280) for transmitting an output of the electric motor. The torque detecting mechanism is arranged inside the casing, and the first and second shafts are mutually actuatably connected to each other within the casing through the torque detecting mechanism. Preferably, the first and second shafts are coaxially supported by the casing, and have a relative angular displacement therebetween made use of for, when it is developed exceeding a predetermined angle range, closing an operation control circuit (C; D) of the electric motor.
REFERENCES:
patent: Re23550 (1952-09-01), Staude
patent: 2754465 (1956-07-01), Breir
patent: 2877656 (1959-03-01), Orr
patent: 3188540 (1965-06-01), Lautzenhiser
patent: 3191109 (1965-06-01), Hepner
patent: 3511104 (1970-05-01), Piat
patent: 4437531 (1984-03-01), Urabe
patent: 4530413 (1985-07-01), Buike et al.
Dobeck Benjamin
Honda Giken Kogyo Kabushiki Kaisha
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