Arrangement in connection with mechanical seal

Details Arrangement in connection with mechanical seal Arrangement in connection with mechanical seal

2002-04-26

2008-03-25

Mitchell, Katherine (Department: 3677)

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

C277S304000, C137S468000, C137S079000

Reexamination Certificate

active

07347423

ABSTRACT:
An arrangement in connection with a mechanical seal includes at least two sliding surfaces pressing against each other, which are arranged to seal a gap between a rotating and a non-rotating machining part, and mechanism for providing a sealing fluid flow cooling the sliding surfaces. To provide an optimal consumption of sealing fluid, a valve mechanism is arranged to the mechanism for providing the cooling sealing fluid flow, the valve mechanism being arranged to react to the temperature of the seal and to open and close the flow of sealing fluid according to the cooling need.

REFERENCES:
patent: 3687290 (1972-08-01), Myers
patent: 3700247 (1972-10-01), Butler et al.
patent: 3895646 (1975-07-01), Howat
patent: 3968969 (1976-07-01), Mayer et al.
patent: 4227646 (1980-10-01), Hart et al.
patent: 4549717 (1985-10-01), Dewaegheneire
patent: 4558870 (1985-12-01), Martinez
patent: 4699171 (1987-10-01), Sugden
patent: 4813608 (1989-03-01), Holowach et al.
patent: 4969796 (1990-11-01), Wescott et al.
patent: 5188145 (1993-02-01), Mathieu
patent: 5226683 (1993-07-01), Julien et al.
patent: 5261597 (1993-11-01), Perlman et al.
patent: 5397053 (1995-03-01), Ewing et al.
patent: 5421892 (1995-06-01), Miyagi
patent: 5511576 (1996-04-01), Borland
patent: 5632297 (1997-05-01), Sciullo et al.
patent: 6125800 (2000-10-01), Lugs
patent: 6276312 (2001-08-01), Summan et al.
patent: 6296012 (2001-10-01), Kilgore et al.
patent: 6644667 (2003-11-01), Grondahl
patent: 2002/0074418 (2002-06-01), Smith
patent: 2003/0188949 (2003-10-01), Porter
patent: 2004/0150165 (2004-08-01), Grondahl
patent: 3537 147 (1987-04-01), None
patent: 0 283 080 (1998-09-01), None
patent: 64450 (1983-11-01), None
patent: 58-057573 (1983-04-01), None
patent: 58-121378 (1983-07-01), None
patent: 58-184367 (1983-10-01), None
patent: 62-177372 (1987-08-01), None
patent: 01015598 (1989-01-01), None
patent: EP 0283080 (1988-09-01), None
patent: WO 98/54469 (1998-12-01), None

Affiliated with

Also associated with

Rating

Arrangement in connection with mechanical seal does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Arrangement in connection with mechanical seal, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Arrangement in connection with mechanical seal will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3979570