Joints and connections – With adjunctive protector – broken parts retainer – repair,... – Utilizing fluid pressure
Patent
1989-07-17
1990-12-25
Kundrat, Andrew V.
Joints and connections
With adjunctive protector, broken parts retainer, repair,...
Utilizing fluid pressure
403 37, F16B 100, F16D 100
Patent
active
049798421
ABSTRACT:
A hydraulically actuatable shrinking disc, especially for a force transmitting connection of a hub having a cylindrical outer surface with a shaft comprises an inner ring arranged to be located on a cylindrical outer surface of a hub and having a double-conical outer peripheral surface, two pressure rings which are arranged axially opposite to one another in a displaceable and clampable manner on the inner ring and have inner conical surfaces which corresponds to the outer peripheral surface of the inner ring, the pressure rings forming therebetween a pressure chamber for a pressure fluid, the pressure rings being mirror-symmetrical in their cross-section and each formed with a cylindrical outer peripheral surface, the pressure rings being provided with openings which serve as pressure medium passages, a clamping ring which serves as an abutment for the pressure rings and surrounds the latter, the clamping ring having an outer peripheral surface which is provided with a connecting opening for the pressure fluid and subdivided into two pressure medium passages which form an obtuse angle relative to a radial plane and extend inside the clamping ring so as to open at an inner peripheral surface of the clamping ring, the pressure medium passages of the pressure rings extend from the inner peripheral surface to the outer peripheral surface of the pressure ring and form relative to a radial plane an angle which is opposite to the angle between the pressure medium passages of the clamping ring, the pressure medium passages of the pressure rings open at the outer peripheral surface of the pressure rings and the pressure medium passages of the clamping ring open at the inner peripheral surface of the clamping ring so as to communicate with one another, and so that the pressure medium passages of the pressure rings supply the pressure fluid to the inner and outer peripheral surfaces of the pressure rings and through the latter into the pressure chamber.
REFERENCES:
patent: 2764437 (1956-09-01), Bratt
patent: 4425050 (1984-01-01), Durand
patent: 4702635 (1987-10-01), Muellenberg
Miller Wolfgang
Schafer Udo
Kundrat Andrew V.
Striker Michael J.
Tas Schafer GmbH Technik fur Antrieb und Steuerung
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