Wrap spring clutch with brake

Details Wrap spring clutch with brake Wrap spring clutch with brake

1991-01-28

1992-07-28

Braun, Leslie A.

192 clutches and power-stop control

Clutch and brake

192 81C, F16D 2710

Patent

active

051334372

ABSTRACT:
A self-braking electromagnetic wrap spring clutch having a wrap spring control ring and a brake control armature plate at separate locations within a common magnetic circuit. The self-braking electromagnetic clutch includes: a shaft, a driving hub rotatable on said shaft and carrying a wrap spring and a control ring, a driven hub attached to said shaft, a shoulder assembly directly axially adjacent to said control ring extending radially from and rotatable with the driven hub and having ferromagnetic radially inner and outer annular segments separated by a binder having a sufficiently low magnetic permeance in relation to the inner and outer segments to create a magnetic permeance discontinuity therebetween, an armature plate adjacent to the shoulder assembly and being axially slidable toward and a way from the shoulder assembly, a non-rotatable friction plate axially adjacent to the armature plate, biasing means for biasing the armature plate into frictional contact with the friction plate, and non-rotatable magnetic circuit body means for directing magnetic flux simultaneously between the control ring and the shoulder assembly and between the armature plate and the shoulder assembly.

REFERENCES:
patent: 2652134 (1953-09-01), Montooth
patent: 3185276 (1965-05-01), Sajovec
patent: 3186530 (1965-06-01), Petroff
patent: 3559781 (1971-02-01), Brunelle
patent: 3926286 (1975-12-01), Johnson
patent: 3966024 (1976-06-01), Baer
patent: 4030584 (1977-06-01), Lowery et al.
patent: 4189039 (1980-04-01), Johnson
patent: 4263995 (1981-04-01), Wahlstedt
patent: 4273226 (1981-06-01), Takefuta et al.
patent: 4321992 (1982-03-01), Gallo
patent: 4418811 (1983-12-01), Mac Donald
patent: 4638899 (1987-01-01), Kossett
patent: 4664238 (1987-05-01), Nishino et al.
patent: 4846324 (1989-07-01), Ohsawa

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