Control arrangement for the supply of lubricant to the bearings

Details Control arrangement for the supply of lubricant to the bearings Control arrangement for the supply of lubricant to the bearings

1983-01-26

1984-08-14

Staab, Lawrence J.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

74201, 74467, 184 6, F16H 1508, F16H 5704, F01M 100, F16N 1706

Patent

active

044649460

ABSTRACT:
In an infinitely variable traction roller transmission with traction rollers arranged between, and in engagement with, opposite toric discs for the transmission of motion therebetween, the traction rollers and the toric discs are axially supported by hydrostatic axial thrust bearings supplied with lubricant by a single high pressure lubricant pump through high pressure lubricant branch conduits each including a flow control orifice to limit the high pressure lubricant supply to each bearing and a low pressure lubricant supply including a pressure reducing valve and having branch conduits to the various bearings with a check valve in each branch conduit to prevent backflow of lubricant from the high pressure branch conduits such that the high load bearings are always supplied with high pressure lubricant and the low load, high speed bearings obtain additional low pressure lubricant which increases the lubricant film thickness in the bearings and thereby greatly reduces shear losses in the high speed bearings.

REFERENCES:
patent: 3087348 (1963-04-01), Kraus
patent: 3163050 (1964-12-01), Kraus
patent: 3163051 (1964-12-01), Kraus
patent: 3486391 (1969-12-01), Kraus
patent: 3486582 (1969-12-01), Carter et al.
patent: 3908798 (1975-09-01), Binder

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