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US 11,168,802 B2Granted
Valve piston seal
AssigneeVitesco Technologies GmbH
InventorRosario Bonanno
Life of this patent
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Abstract
A valve having a housing, a solenoid arranged in the housing, a pin movable by the solenoid, a piston connected to the pin, a second housing part that bears against the housing and which partially accommodates the piston, and a seal arranged between the second housing part and piston. The seal is connected to the second housing part. The seal surrounds a region of the second housing part such that the region forms at least one undercut for the seal.
Claims11
A valve comprising:
- a housing;
- a solenoid arranged in the housing;
- a pin that has a longitudinal axis and is movable by the solenoid;
- a piston connected to the pin;
- a second housing part that bears against the housing at a first end and which partially accommodates the piston, wherein a second end of the second housing part extends radially towards the longitudinal axis;
- and
- a seal arranged between the second housing part and piston, wherein the seal consists of a base portion and a single sealing lip, wherein the single sealing lip extends from the base portion at an angle and extends radially towards the longitudinal axis,
- wherein the base portion of the seal is integrally formed on and surrounds the second end of the second housing part and surrounds a region of the second housing part such that the region of the second housing part forms at least one undercut for the seal.
5 more elements
Dependencies are inferred from the claim text.