192 clutches and power-stop control – Clutches – Fluent material
Patent
1982-12-03
1985-03-19
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Fluent material
192 30V, 192 82T, F16D 3312, F16D 4325, F16D 3500
Patent
active
045053677
ABSTRACT:
The invention provides an improved attachment arrangement and method for attaching a temperature responsive bi-metallic strip to the housing of a fluid friction clutch of the type having a rotatable disk disposed to rotate in a work space of a relatively rotatable housing. The work space is separated from a clutch fluid reservoir by an intermediate disk fixed to the housing and the flow of clutch fluid into the work space is controlled by a valve lever which is movably mounted for controlling the opening of a bore through the intermediate disk. The valve lever is in turn controlled by a temperature responsive bi-metallic strip mounted at the cover of the housing and a movable member extending through the housing cover and engageable with the bi-metallic strip and the valve lever. The bi-metallic strip is held in place by being clamped under ribs provided at the front side of the housing cover and is held by means of tongues at the bi-metallic strip which are abuttingly engageable with the cooling ribs. An elastic securing medium is arranged in the region of the clamping position of the bi-metallic strip for fixedly holding the bi-metallic strip at the housing cover. With this arrangement, the bi-metallic strip is fixedly attached during its assembly in the factory and cannot be taken off of the cover without disturbing the elastic securing medium. In this way, a constant clutch characteristic is guaranteed.
REFERENCES:
patent: 2570515 (1951-10-01), Bonham
patent: 3209993 (1965-10-01), Seifert
patent: 4062432 (1977-12-01), Evans
patent: 4269295 (1981-05-01), Kish
patent: 4386585 (1983-06-01), Kittel et al.
Bonck Rodney H.
Sueddeutsche Kuehlerfabrik Julius Fr. Behr GmbH & Co. KG
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