192 clutches and power-stop control – Clutches – Axially engaging
Patent
1983-02-11
1986-12-16
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Axially engaging
192 7027, 192 89B, 192113A, 267161, 416 60, F16D 1344, F16D 1372
Patent
active
046290478
ABSTRACT:
A diaphragm spring, particularly for use in friction clutches, has a circumferentially complete outer marginal portion and an annulus of radially inwardly extending prongs which alternate with elongated slots and whose tips surround a centrally located opening communicating with the inner end portions of the slots. The intermediate portions of at least some of the prongs are offset with reference to the intermediate portions of the neighboring prongs, as considered in the axial direction of the spring, to provide passages, constituting enlarged portions of the respective slots, which allow for and can promote circulation of large quantities of cooling air when the diaphragm spring rotates with the cover of a friction clutch. The offset intermediate portions of the prongs have an arcuate shape and can be twisted, not unlike the blades of a screw propeller, to further promote the flow of air through the passages. Such offset intermediate portions can be equidistant from the outer marginal portion and/or from the respective tips.
REFERENCES:
patent: 1132958 (1984-01-01), Miller
patent: 2107954 (1938-02-01), Morton et al.
patent: 2117482 (1938-05-01), Klix
patent: 2682943 (1954-07-01), Root
patent: 2747166 (1956-05-01), Hoffarth
patent: 3093228 (1963-06-01), Binder
Bonck Rodney H.
Kontler Peter K.
LuK Lamellen und Kupplungsbau GmbH
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