US 12,066,041 B2
Coiled filter for hydraulic component
Gunther Ruck, Westland, MI (US); Mohamad Sader, Dearborn, MI (US); Richard J. Barron, Ann Arbor, MI (US); and Brian Murphy, Livonia, MI (US)
Assigned to ZF Active Safety US Inc., Livoinia, MI (US)
Filed by ZF Active Safety US Inc., Livonia, MI (US)
Filed on Oct. 4, 2019, as Appl. No. 16/593,558.
Prior Publication US 2021/0102562 A1, Apr. 8, 2021
Int. Cl. F15B 21/041 (2019.01); B01D 24/48 (2006.01); B01D 29/13 (2006.01); B60T 17/04 (2006.01)
CPC F15B 21/041 (2013.01) [B01D 24/48 (2013.01); B01D 29/13 (2013.01); B60T 17/04 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A filter comprising:
A coiled mesh-like structure which is configured to be installed around and engage an outer surface of a cylindrical hydraulic component, the coiled mesh-like structure having a first portion that overlaps a second portion, the first portion including and extending circumferentially from a circumferentially facing and axially extending first end surface of the coiled mesh-like structure toward a circumferentially facing and axially extending second end surface of the coiled mesh-like structure, the second portion including and extending circumferentially from the second end surface of the coiled mesh-like structure toward the first end surface of the coiled mesh-like structure, an entirety of the first portion directly contacting the second portion and having a curvature that directly follows a curvature of the second portion when the coiled mesh-like structure is installed around and engages the outer surface of the cylindrical hydraulic component, and wherein the filter is configured to have an internal spring force as a radially inwardly directed retention force which couples the filter to the outer surface of the cylindrical hydraulic component.