Machine element or mechanism – Gearing – Toothed gear and recirculated unconnected elements
Patent
1986-01-23
1987-12-22
Scanlan, Jr., Richard J.
Machine element or mechanism
Gearing
Toothed gear and recirculated unconnected elements
741905, 74196, F16H 1538, F16H 1508
Patent
active
047139781
ABSTRACT:
A rolling-traction automotive transmission in which a rotary component is urged axially into contact with a second component by the force exerted by pressurized fluid contained in a space defined between the first and a third component, and in which that space is closed by an annular seal so arranged that the fluid within the space bears radially inwardly upon it, so putting the ring into hoop compression rather than hoop tension. The clearance between the first and third components may be "U"-shaped when viewed in axial section, comprising two limbs meeting at their radially-outward extremity; the first limb may constitute the space in which the force separating the first and third components is generated, and the ring seal may be located in the communicating second limb, in alternative constructions either very close to the outer extremity or more inboard, say at the half-radius. The invention applies particularly to transmissions of the toroidal-race type in which the first component will typically be one of the output discs of the transmission, the second component will be one of the torque-transmitting rollers, and the third will be a reaction member carried by the input shaft.
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Cuomo Peter M.
National Research Development Corporation
Scanlan, Jr. Richard J.
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