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7296982 |
Air supply device
An air supply device includes a plurality of bearings for rotatably supporting a shaft, a plurality of bearings for rotatably supporting an orbital scroll, and a plurality of bearings for rotatably...
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7125019 |
Single seal with resilient member
The invention relates to a single seal, and more specifically to a seal for a rotary shaft extending through a wall, e.g. that of a pump housing. The single seal exhibits one single sealing...
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7070186 |
Flanged boot having a rolling bearing interface
A flanged boot having a rolling bearing interface suitable for connection to two mechanical components which are movable with respect to each other, in terms of both rotational and axial movements....
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6976681 |
Slide ring seal assembly including a radial, rotation preventing arrangement
A slide ring seal assembly includes a slide ring having an axially extending annular leg. The leg has radially outer and radially inner circumferential surfaces and a free axial end. A plurality of...
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6688601 |
Mechanical seal
A mechanical seal includes a fixed ring, a rotating ring and a shaft sleeve. The fixed ring is connected in a sealed state to a housing. The rotating ring has a slide part and an engaging part. The...
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6655694 |
Slide ring seal
A slide ring seal, including a slide ring and a counter-ring, the slide ring and the counter-ring sealingly contacting each; other so as to be relatively rotatable at their sealing surfaces and so...
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6464231 |
Bellows seal with spring-loaded radial secondary seal
A mechanical seal of the invention includes relatively rotatable seal rings and a secondary seal therefore. The secondary seal is a C-shaped spring loaded gasket having upper and lower gasket legs....
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6338489 |
Mechanical seal
A mechanical seal including a slide ring and a counter-ring that are axially preloaded against each other along sealing surfaces through the application of spring tension. These surfaces contact...
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6220601 |
Mechanical face seal device
A mechanical face seal device includes a bellows assembly comprising a bellows member of resilient material having axially spaced mounting portions interconnected by an intermediate foldable...
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6007069 |
Mechanical face seal
A mechanical end face seal for sealing between a housing and a relatively rotating shaft which seal includes a pair of relatively rotating annular rings having seal faces in sealing contact with...
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5947479 |
Mechanical seal with flexible metal diaphragm
A mechanical end face seal for sealing between a housing and a relatively rotating shaft which includes a pair of relatively rotating annular rings having seal faces in sealing contact with each...
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5897118 |
Mechanical seal for a compressor and centrifugal compressor comprising the mechanical seal
The mechanical seal for a compressor comprises a support member fixed to a rotary shaft for rotating therewith, an annular rotating slide member consisting of hard materials and being fitted to the...
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5762343 |
Slide ring seal assembly
A slide ring seal assembly includes a slide ring member and a counterring member adjoining the slide ring member in axial alignment therewith. A force-exerting arrangement which axially resiliently...
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5558343 |
Water pump seal assembly
A water pump is disclosed for use in an internal combustion engine. The water pump includes a seal assembly for use between the rotatable pump shaft and the water pump housing which is fixed...
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5344164 |
Mechanical seals
The invention provides a cartridge-mounted mechanical seal in which a set of bellows acts against the rotary component to urge its face into mating contact with the stationary component face, and...
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5340121 |
Face seal with integral fluorocarbon polymer bellows
A mechanical seal assembly is provided for inhibiting a fluid located in a higher pressure region of an apparatus from flowing to a relatively lower pressure region. The seal assembly is configured...
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5123660 |
Extended life mechanical face seal assembly
A rotary mechanical face seal utilizes a pair of cup-shaped inserts to closely support the contoured diaphragm of an elastomeric boot whereby the diaphragm does not actively undergo deflection to...
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5045048 |
Rotary centrifuge bowl and seal for blood processing
A seal for a blood processing centrifuge bowl which is formed of a dynamic rotary seal and a static seal. The dynamic rotary seal is formed of an upper graphite or carbon non-rotating ring member...
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4691927 |
Temperature-compensating mechanical face seal
In a mechanical face seal of the diaphragm bellows type having a face seal ring with a body defining a substantially flat, annular sealing surface, and a holder adapted to be disposed radially...
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4669739 |
Rotary mechanical fluid face seal with rigid restraint ring means
A seal assembly for sealing a rotatable shaft to a housing includes a flexible bellows member and a removeable insert which are sealed against each other along complementary tapered sealing...
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4653980 |
Mechanical seal for pumps and method of fabricating same
A mechanical seal assembly for use with centrifugal pumps including at least one unitized elastomer assembly for urging the seal faces of a pair of seal rings into sealing engagement with each...
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4421327 |
Heavy duty end face seal with asymmetrical cross-section
A mechanical end face seal assembly with first and second, relatively rigid, primary seal rings of a generally T-shaped cross-section and a pair of annular secondary elastomeric seal rings. The...
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4378119 |
Mechanical face seals with special bellows
A mechanical face seal adapted to withstand a pressure differential across its sealing faces, includes a bellows unit of monolithic construction, comprising a plurality of corrugations, the crowns...
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4365816 |
Self-damping bellows seal assembly
A self-damping bellows seal assembly for providing a seal between a rotatable shaft and a stationary member through which the shaft extends. The assembly includes a flexible bellows surrounding the...
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4278218 |
Seal
A seal, especially for dishwashers, for sealing a shaft. The seal comprises a bellows made of elastic material, with a support housing and a slide ring associated therewith. The bellows at least...
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4275889 |
Seal construction
This disclosure relates to a seal which is particularly suited for use in a coolant pump of an internal combustion engine. The seal parts are subjected to high rotational torques during operation...
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4239241 |
Fluid seal assembly
A fluid seal assembly to be mounted between a fixed part and a rotary shaft, comprising a slide ring secured to a resilient sealing member attached to the shaft and urged by a spring into...
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4183542 |
Rotating face sealing gasket, particularly for use on tracked vehicles
A rotating face sealing gasket, particularly for use on tracked vehicles, constituted by a pair of facing metal rings in mutual sliding contact, and a pair of rings of resilient material mounted on...
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4182518 |
Sealing arrangements
A sealing arrangement between rotary shafts and structure which surrounds them particularly propeller tailshafts and the stern boss of ships. The sealing arrangement comprises two rubbing seals...
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4124219 |
Slide ring seal
A slide ring seal structure for sealing machine elements rotatable about an axis, especially for sealing pump shafts, with an about rotation-symmetric housing which at one end face has a bottom...
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4063741 |
Fluid face seal assemblies
In a fluid face seal assembly comprising an elastomeric annular seal for engaging in a recess of a stationary housing or the like component, an axially directed extension on a radially inner limb...
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3977465 |
Sealing element for a regenerative heat-exchanger
A sealing element between the storage body and a gas channel of a regenerative heat-exchanger, which consists of a slide layer of graphite, of a metallic support bar and of a connecting layer...
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3904211 |
Rotary face seal
A rotary face seal for the space between a stationary housing and a rotatable shaft extending therethrough uses a heat shrinkable polytetrafluoroethylene tube to form a secondary sealing boot that...
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3776560 |
BELLOWS TYPE FLUID SEAL
A bellows type mechanical fluid seal combination including a first sealing ring structure having an annular sealing face adapted for mounting to a stationary member, a second sealing ring structure...
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3751046 |
FACE TYPE SEALING DEVICE
The face type sealing device includes sealing rings of which one is mounted about the shaft and the other one is stationary and is pressed to the first ring by a pressing member. The latter is...
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3658349 |
DAMPING DEVICE FOR A MECHANICAL FLUID SEAL
This specification discloses a damping device for a bellows employed in a mechanical fluid seal. The seal comprises a mating and a sealing ring. One of said rings is anchored to a stationary...
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3582091 |
SEAL CONSTRUCTION FOR FLUID EXTRACTOR
A seal construction for a fluid extractor includes an unattached noninterlocking seal nose providing a static and dynamic seal with a rotatable member and providing a static seal with a...
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3565330 |
ROTARY SEAL AND CENTRIFUGE INCORPORATING SAME
A rotary seal formed of a first rigid, low friction member which contacts a moving rigid member with minimal friction to make the dynamic seal, and a second elastomeric member which provides a...
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3409213 |
Rotary seal and centrifuge incorporation
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3391942 |
Rotary mechanical fluid seal
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3391939 |
Rotary mechanical seal
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3372076 |
Method of forming a flexible bellows connection between axialy spaced members
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3361451 |
Rotary unions
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3277927 |
Bellows
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3241843 |
Combined ring and frusto-conical member seal assembly
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3203704 |
Rotary mechanical seal
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3191945 |
Rotary seal with supporting sleeve
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3189356 |
Face seal
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3160418 |
Spring-loaded seal with coaxial relatively rotating contact faces
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3160417 |
Abutment-type seal for rotary elements
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