Rotary shafts – gudgeons – housings – and flexible couplings for ro – Fluid coupling – Fluid confined in enclosure having flexible walls
Patent
1981-08-20
1984-01-31
Petrakes, John
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Fluid coupling
Fluid confined in enclosure having flexible walls
192 85AT, 192 88B, 403 5, F16D 702, F16D 2504
Patent
active
044287372
ABSTRACT:
In a friction coupling comprising a shaft, a hub surrounding the shaft, a coupling sleeve disposed between the shaft and the hub, the coupling sleeve having an elastic hollow wall defining an internal cavity and comprising radially inner and outer peripheral wall portions respecitvely facing the shaft and the hub, and fluid under pressure in the cavity to force the peripheral wall portions against the shaft and the hub under a pressure sufficient for transmitting a torque between the shaft and the hub by the coupling sleeve, torque transmission is assured with a coupling sleeve consisting of a flexible tube composed of an assembly of a plurality of joined I-section strips, each strip having two transverse web portions and an interconnecting vertical web portion, the transverse web portions being joined to form the peripheral wall portions of the coupling sleeve and the vertical wall portions constituting load-carrying partitions in the internal cavity for transmitting peripheral forces between the shaft and the hub, the partitions separating the internal cavity into separate annular chambers and defining passages therein to connect the annular chambers, and two profiled end sections joined to the assembly at respective ends thereof.
REFERENCES:
patent: 2193481 (1940-03-01), Fawick
patent: 3473640 (1969-10-01), Schutz
patent: 3834257 (1974-09-01), Ganser
patent: 4341484 (1982-07-01), Peterson et al.
Kawa Franz
Schwenzfeier Werner
Kelman Kurt
Petrakes John
Stodola Daniel P.
Voest-Alpine Aktiengesellschaft
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