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US7201377: Unitizing element and method for assembling a seal

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Filing Information

Inventor(s) Elizabeth Chitren · Christopher Tones ·
Assignee(s) Garlock Sealing Technologies LLC ·
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
Predicted expiration date 09/29/2023
U.S. Classifications 277/347  · 277/412  · 277/411  ·
International Classifications F16J1544  · F16J15447  ·
Kind CodeB2
Related U.S. Application DataCROSS-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.
14 Claims, 7 Drawings


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.

References Cited

U.S. Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
US2014859 Mitchell Sep 1935
US3192942* ROCKWELL MFG CO Manor et al. Jul 1965
US3602559 JOSEF HIRSCHLER Hischler Aug 1971
US3923125* ROSENTHAL ERICH Rosenthal Dec 1975
US4166606* The Meyer Dairy Products Company Kawolics et al. Sep 1979
US4466620 Orlowski Aug 1984
US4484754 BALLARD MICHAEL J Ballard Nov 1984
US4541744 General Motors Coporation Lederman Sep 1985
US4679801 Danieli & C. Officine Meccanische SpA Poloni Jul 1987
US4706968 ORLOWSKI DAVID C Orlowski Nov 1987
US4743034 Durametallic Corporation Kakabker et al. May 1988
US4832350 ORLOWSKI DAVID C Orlowski May 1989
US4852890 Garlock Inc. Borowski Aug 1989
US4890941 Durametallic Corporation Calafell Jan 1990
US4989883 Inpro Companies, Inc. Orlowski Feb 1991
US5024451 Garlock Inc. Borowski Jun 1991
US5069461 Inpro Companies, Inc. Orlowski Dec 1991
US5074567 ORLOWSKI DAVID C Orlowski Dec 1991
US5078410 Warman International Limited Warman Jan 1992
US5158304 Inpro Companies, Inc. Orlowski Oct 1992
US5161804 Inpro Companies, Inc. Orlowski et al. Nov 1992
US5174583 ORLOWSKI DAVID C Orlowski et al. Dec 1992
US5221095 Inpro Companies, Inc. Orlowski Jun 1993
US5335921 Inpro Companies, Inc. Orlowski Aug 1994
US5378000 Inpro Companies, Inc. Orlowski Jan 1995
US5470157 The Timken Company Dougherty Nov 1995
US5480161 Garlock Inc Borowski Jan 1996
US5498006 Inpro Companies, Inc. Orlowski Mar 1996
US5655781 Petrak Aug 1997
US5687972 Petrak Nov 1997
US5865441 Orlowski Feb 1999
US5887875 Ford Global Technologies, Inc. Salciccioli Mar 1999
US5904356 Mundy May 1999
US5908195 Garlock Inc. Sharrer Jun 1999
US5951020 Inpro Companies, Inc. Orlowski Sep 1999
US5967524 JM Clipper Corporation Fedorovich Oct 1999
US6003871 SKF USA Inc. Poll Dec 1999
US6015153 Garlock Inc Sharrer Jan 2000
US6062568 Orlowski et al. May 2000
US6182972 IsoTech of Illinois, Inc. Orlowski Feb 2001
US6213476 Federal-Mogul World Wide, Inc. Chandler Apr 2001
US6234489 IsoTech of Illinois, Inc. Orlowski et al. May 2001
US6257587 Federal-Mogul World Wide, Inc. Toth Jul 2001
US6311984 Inpro Companies, Inc. Orlowski Nov 2001
US6367807 Environamics Corporation Rockwood Apr 2002
US6390477 Garlock Inc Drago et al. May 2002
US6419233 Isotech of Illinois, Inc. Orlowski Jul 2002
US6471211 Brenco, Incorporated Garnett Oct 2002
US6471215 Garlock Sealing Technologies LLC Drago Oct 2002
US6485022 JM Clipper Corporation Fedorovich Nov 2002
US20010002742 H . VICENT HARSHA Orlowski Jun 2001
US20020167131 Orlowski et al. Nov 2002

Foreign Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
DE29715911FREUDENBERG CARL FAFeb 1999
* cited by examiner

Referenced By

The current document is not referenced by other documents.

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