Filing Information

Inventor(s)	Elizabeth Chitren · Christopher Tones ·
Assignee(s)	Garlock Sealing Technologies LLC ·  View assignee updates
Attorney/Agent(s)	Kilpatrick Stockton LLP ·
Primary Examiner	Vishal Patel ·
Application Number	US11297489
Filing date	12/09/2005
Issue date	04/10/2007
Prior Publication Data	US20060087084 - 04/27/2006
Predicted expiration date	09/29/2023
U.S. Classifications	277/347  · 277/412  · 277/411  ·
International Classifications	F16J1544  · F16J15447  ·
Kind Code	B2
Related U.S. Application Data	CROSS-REFERENCE TO RELATED APPLICATIONS This application is a divisional application of U.S. patent application Ser. No. 10/674,264 filed Sep. 29, 2003, now abandoned, which claims priority to U.S. Provisional Application No. 60/414,862, filed Sep. 30, 2002, entitled “LABYRINTH SEAL”, herein incorporated by reference in its entirety.

Patent Family

Abstract

An annular unitizing element comprising a rotor engaging member, a stator engaging member, and a rear member. The radially outer surface of the unitizing element comprises two areas of differing diameter, one corresponding to the rotor engaging member and the other corresponding to the rear member. The stator engaging member extends radially inward from the radially inner side of the annular unitizing element. A sealing assembly for sealing a rotating shaft and a bearing housing comprising a rotor comprising, an annular engagement flange extending in an axial direction comprising a groove on a radial side thereof, a stator comprising, an annular engagement flange extending in an axial direction comprising a groove on a radial side thereof, and an annular unitizing element comprising, a stator engaging member, a rotor engaging member, and a rear member.

Independent Claims | See all claims (14)

1. 1. A sealing assembly for sealing a rotating shaft and a bearing housing comprising: a rotor comprising: an annular engagement flange extending in an axial direction comprising a groove on a radial side thereof; a stator comprising: an annular engagement flange extending in an axial direction comprising a groove on a radial side thereof; and an annular unitizing element comprising: a stator engaging member; a rotor engaging member; and a rear member having a top edge, a side edge, and bottom edge; wherein the rotor engaging member engages the rotor groove; wherein the stator engaging member extends from the unitizing element in a radial direction to engage the stator groove; wherein the side edge of the rear member extends from the unitizing element to engage the stator; and wherein the unitizing element further comprises two adjoining areas of differing diameter, one area corresponding to the rotor engagement member and the other corresponding to the rear member.