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Class Information
Number: 277/348
Name: Seal for a joint or juncture > Seal between relatively movable parts (i.e., dynamic seal) > Diverse and distinct dynamic seals > Close proximity seal (e.g., contactless, fluent, etc.) > And relatively rotatable radially extending contacting sealing members (e.g., face, mechanical, etc.)
Description: Close proximity seal and at least one of a pair of opposing surface members relatively rotating at the joint or juncture that defines a sealing face and wherein the joint or juncture is at an angle to a rotational axis formed between the relatively movable parts.










Sub-classes under this class:

Class Number Class Name Patents
277/349 And circumferential peripheral radially sealing flexible projection (e.g., lip seal, etc.) 61


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8657297 Air riding seal Feb. 25, 2014
8440295 Mechanical seal device, sliding element, and method of production thereof May. 14, 2013
8272643 Air riding seal Sep. 25, 2012
8201830 Airtight magnetic seal for bearing casings Jun. 19, 2012
8074997 Air riding seal Dec. 13, 2011
8047548 Bearing alignment device and seal arrangement Nov. 1, 2011
8020874 Rotating wheel mechanism of construction machine and drive wheel mechanism of construction machine Sep. 20, 2011
7938402 Air riding seal May. 10, 2011
7862046 Mechanical seal assembly Jan. 4, 2011
7287756 Film riding shaft seal Oct. 30, 2007
7249768 Shaft seal assembly and method Jul. 31, 2007
7210687 Shaft seal assembly May. 1, 2007
7004473 Mechanical seal device Feb. 28, 2006
6984115 Axial sealing structure of scroll compressor Jan. 10, 2006
6808179 Turbomachinery seal Oct. 26, 2004
6692006 High-pressure film-riding seals for rotating shafts Feb. 17, 2004
6343496 Can shaping apparatus and method Feb. 5, 2002
6325378 Shaft seal apparatus Dec. 4, 2001
6305691 Shaft sealing apparatus Oct. 23, 2001
6299173 Mechanical end face seal ring having a compliant seal face Oct. 9, 2001
6273428 Annular seal assembly, in particular for the drive shaft of a vehicle Aug. 14, 2001
6224060 Pump gas seal with particle exclusion device May. 1, 2001
6182971 Gas seal for pumps Feb. 6, 2001
6168163 Shaft seal for mixers Jan. 2, 2001
6155572 Non-contacting mechanical face seal including fluid control system Dec. 5, 2000
6145840 Radial flow seals for rotating shafts which deliberately induce turbulent flow along the seal gap Nov. 14, 2000
6131912 Split mechanical face seal Oct. 17, 2000
6062568 Bearing isolator with air purge May. 16, 2000
6015153 Labyrinth sealing device and method of assembly Jan. 18, 2000
5952080 Bearing having micropores, and design method thereof Sep. 14, 1999
5908195 Labyrinth sealing device and method of assembly Jun. 1, 1999
5873574 Bellows seal with reverse pressure capability Feb. 23, 1999
5834094 Bearing having micropores and design method thereof Nov. 10, 1998
5833372 Auxiliary seal for a bearing and bearing incorporating such a seal Nov. 10, 1998
5791421 Optimal material pair for metal face seal in earth-boring bits Aug. 11, 1998
5718436 Flow controller for mechanical seal protection Feb. 17, 1998
5713576 Gas lubricated barrier seal Feb. 3, 1998
5662462 Sealing arrangement for a hydraulic motor and pump Sep. 2, 1997
5642888 Temperature and pressure resistant rotating seal construction for a pump Jul. 1, 1997
5553868 Seal cavity throat bushing Sep. 10, 1996
5553867 Triple cartridge seal having one inboard and two concentric seals for chemical processing pump Sep. 10, 1996
5503407 Windbacks for rotating shafts Apr. 2, 1996
5499902 Environmentally safe pump including seal Mar. 19, 1996
5412977 Turbo machine with an axial dry gas seal May. 9, 1995
5411366 Motor driven environmentally safe pump May. 2, 1995
5333956 Trolley wheel assembly Aug. 2, 1994
5259628 Seal assembly Nov. 9, 1993
5217235 Seal assembly Jun. 8, 1993
5203575 Balanced mechanical seal assembly and flow ring therefor Apr. 20, 1993
5141389 Control system for regulating the axial loading of a rotor of a fluid machine Aug. 25, 1992

1 2 3










 
 
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