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US 10,883,599 B2Granted
Hydraulic piston assembly
AssigneeSchaeffler Technologies AG & Co. KG
InventorsJordan Geiser, Brandon Heitger
Life of this patent
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Abstract
A piston assembly for a transmission includes a piston and a washer connected to the piston. In one embodiment, the washer includes a circumferential ring that extends continuously about an inner diameter, wherein a cavity is defined between the piston and the washer. A bearing element is retained and centered on the washer by the circumferential ring.
Claims14
A piston assembly for a transmission, comprising:
- a piston;
- a washer connected to the piston and including a circumferential ring that extends continuously about an inner diameter, wherein a cavity is defined between the piston and the washer;
- and
- a bearing element retained and centered on the washer by the circumferential ring, wherein:
- the washer is connected to the piston at radially outer ends of the piston and the washer;
- and
- the piston includes a circumferential ring disposed at an out diameter of the piston and the washer includes a radially extending section disposed within the circumferential ring of the piston connecting the piston and the washer.
4 more elements
A piston assembly for a transmission, comprising:
- a piston arranged for sealing engagement with a housing;
- a washer connected to the piston, wherein a cavity is defined between the piston and the washer;
- inner and outer seals disposed on inner and outer surfaces, respectively, of the piston for sealing the piston to the housing;
- and
- a retaining plate connected to the piston and configured to retain the inner and outer seals on the piston.
2 more elements
Dependencies are inferred from the claim text.