A stampable thrust washer for a torque converter including an inner circumference, an outer circumference, and a plurality of cutouts disposed in the thrust washer, wherein the cutouts are in fluid communication with the inner and outer circumferences when said thrust washer is engaged between two r
A stampable thrust washer for a torque converter including an inner circumference, an outer circumference, and a plurality of cutouts disposed in the thrust washer, wherein the cutouts are in fluid communication with the inner and outer circumferences when said thrust washer is engaged between two rotationally engaged components.
대표청구항▼
1. A thrust washer for a torque converter comprising: first and second surfaces, orthogonal to an axis of rotation for the thrust washer, facing in opposite axial directions;an inner circumference connecting the first and second surfaces;an outer circumference connecting the first and second surface
1. A thrust washer for a torque converter comprising: first and second surfaces, orthogonal to an axis of rotation for the thrust washer, facing in opposite axial directions;an inner circumference connecting the first and second surfaces;an outer circumference connecting the first and second surfaces;a uniform axial thickness, in a direction parallel to the axis of rotation, between the inner and outer circumferences; and,first and second pluralities of cutouts disposed in said thrust washer and passing through the thrust washer, wherein: a circular line, at a uniform distance from the inner circumference, passes through the first and second pluralities of cutouts;the first plurality of cutouts is open to the inner circumference; and,the second plurality of cutouts is open to the outer circumference. 2. The thrust washer recited in claim 1 wherein said first and second pluralities of cutouts are arranged in at least one respective oppositely disposed pair of cutouts. 3. The thrust washer recited in claim 1 which is manufactured by a stamping process. 4. The thrust washer recited in claim 1 wherein respective cutouts in said first and second pluralities of cutouts are equally spaced from each other about said thrust washer. 5. The thrust washer recited in claim 1 wherein said first plurality of cutouts is spaced ninety degrees from said second plurality of cutouts. 6. A torque converter comprising: a piston;a hub; and,a thrust washer including: first and second surfaces, orthogonal to an axis of rotation for the thrust washer, facing in opposite axial directions;a uniform axial thickness, in a direction parallel to the axis of rotation, between the inner and outer circumferences; an inner circumference connecting the first and second surfaces;an outer circumference connecting the first and second surfaces; and,first and second pluralities of cutouts disposed in said thrust washer and passing through the thrust washer, wherein:a circular line, at a uniform distance from the inner circumference, passes through the first and second pluralities of cutouts;the first plurality of cutouts is open to the inner circumference; and,the second plurality of cutouts is open to the outer circumference. 7. The torque converter recited in claim 6 wherein said thrust washer is engaged between said piston and said turbine hub. 8. A torque converter comprising: a piston;a hub; and,a thrust bearing with: an inner circumference;an outer circumference; and,first and second pluralities of cutouts passing through the inner circumference and the outer circumference of the thrust washer, respectively;a first chamber at least partially formed by the outer circumference and a first portion of the piston; and,a second chamber at least partially formed by the hub and a second portion of the piston radially inward of the first portion, wherein: said first and second chambers are in fluid communication through said second plurality of cutouts;the first plurality of cutouts opens to the inner circumference; and,the second plurality of cutouts opens to the outer circumference.
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이 특허에 인용된 특허 (12)
Thompson, Ronald Joseph; Whitney, Warren J., Aluminum thrust washer.
Arhab, Rabah; Depraete, Alexandre; Satonnet, Daniel; Termenon, Norbert, Hydrokinetic coupling apparatus, in particular for motor vehicle, comprising improved means linking the piston with the cover.
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