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US 2019/0093616 A1Published application
Piston device and pump device
AssigneesElringKlinger AG, ElringKlinger Kunststofftechnik GmbH
InventorsPatrick KLEIN, Klaus HOCKER, Fabian KOPP
Life of this patent
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Abstract
In order to provide a piston device that is of simple construction and provides optimised sealing, it is proposed that the piston device should include the following: a housing that includes a piston receptacle; a piston that is arranged to be linearly displaceable in the piston receptacle; a main gasket element that separates a first medium space from a second medium space, and a supplementary gasket element, different from the main gasket element, for sealing in a region between the piston and the piston receptacle.
Claims15
A piston device, including:
- a housing that includes a piston receptacle;
- a piston that is arranged to be linearly displaceable in the piston receptacle;
- a main gasket element that separates a first medium space from a second medium space,
- wherein the piston device includes a supplementary gasket element, different from the main gasket element, for sealing in a region between the piston and the piston receptacle.
1 more element
Dependencies are inferred from the claim text.