Patent ID: 8800740
Filing Date: 2014-08-12
Classification: F15B

Abstract:
1. A device for sealing a first oil environment from a second oil environment, comprising: a hollow chamber, a piston configured to reciprocally move in the hollow chamber by a maximum stroke length in an axial direction, wherein the first oil environment is located on a first side of the piston and the second oil environment is located on a second side of the piston that is axially opposite of the first side of the piston, first and second annular seal elements disposed on the piston and sealingly contacting an inner circumferential wall of the hollow chamber, wherein the seal elements are spaced by at least a distance in the axial direction that is greater than or equal to the maximum stroke length, and a support element configured to support the seal elements, wherein the support element is disposed on the piston between the two seal elements and the seal elements are disposed on opposite axial ends of the support element.