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7484760 |
Column hole cover
A column hole cover is interposed between a circumferential portion of an aperture of a column hole of an instrument panel and a steering gear box capable of being displaced in a predetermined...
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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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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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6962340 |
Mechanical seal device
A primary technical goal of the present invention is to improve the durability and the seal performance of a cup gasket for a mechanical seal device which retains a seal ring. The mechanical seal...
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6939051 |
Bearing arrangement for a shaft
A bearing arrangement supporting a sealing bellows around a shaft to permit axial and angular motion includes inner and outer bearing sleeves, and a rolling bearing having an inner race ring fitted...
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6583376 |
Sealing apparatus used in a wire cut electric discharge machine
A wire cut electric discharge machine that includes a machining tank storing a machining fluid, an upper arm disposed at an upper portion of the machining tank, a lower arm inserted into the...
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6341781 |
Sealing element for a face seal assembly
A sealing element for a face seal assembly including a bellows portion having mounting portions at its axial ends. One of the mounting portions is designed for non-rotational mounting on a...
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6254102 |
Seal device having a flexible finger seal member
A seal device for creating a seal between a rotatable shaft and a stationary member. The seal device includes a seal member having a generally annular body including a generally cylindrical inner...
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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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5904355 |
Rotary seal
A rotor for collecting and centrifuging biological fluids in a range of volumes. The rotor includes an elastic impermeable diaphragm which defines at least a portion of a variable-volume processing...
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5725219 |
Mechanical face seal with elastomeric bellows unit and intermeshing drive bands
Mechanical face seal has a first sealing mounted in fixed axial and rotational relationship and sealed with respect to a housing and a second sealing ring mounted in fixed rotational relationship...
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5676382 |
Mechanical face seal assembly including a gasket
An improved seal assembly utilizing a cup gasket having a flange portion secured or sandwiched between side surface of a mating ring and an inner surface of a radially extending side portion of an...
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5544897 |
Cartridge seal having a high contact pressure seal and means for intersleeve adjustment including quench fluid delivery
An improved mechanical seal of the cartridge-type providing an inboard compressed packing seal between dual shaft sleeves and the pump shaft, compressed between the shaft sleeves by action of a...
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5375852 |
Rotating seal body for face type seal
A rotating seal body for a face type seal having a rotor portion secured on and rotatable with a shaft and a stator portion for securement in a housing and sealing faces on each of the portions in...
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5375854 |
Mechanical face seals
A metal bellows for use in a mechanical seal is rolled from a flat sheet and seam welded along an axial diagonal line. The bellows includes corrugations or convolutions having inner and outer...
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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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5332235 |
Mechanical face seals
A mechanical face seal has a first seal face member mounted in fixed rotational and axial relationship and sealed with respect to a housing, and a second seal face member mounted with respect to a...
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5094466 |
Water pump seal with improved seal force distribution
A vehicle water pump seal has a specially designed gasket interposed between the retainer flange that the spring bears on and the sealing ring that transmits the spring force evenly in spite of...
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5013051 |
Single component seal
A seal component which establishes a seal between a rotating shaft and a housing includes an annular face and an axially extending tubular elastomeric bellows. The geometric configuration of the...
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5011166 |
Mechanical face seals
A mechanical face seal includes a seal face member which is secured in fixed rotational relationship and sealed with respect to one component by means of a resilient bellows unit, said bellows unit...
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4968044 |
Rotary facial seal and bearing assembly
A rotary facial seal and a thrust bearing are adapted to be installed between inner and outer concentric relatively movable members, such as, the spindle housing and axle of a motor vehicle, the...
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4917389 |
Water pump face seal assembly
A water pump face seal assembly uses a wave spring stamped from flat stock with drive tabs which, besides providing contact force and wear take up, also serves to maintain a square, concentric...
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4890851 |
Bellows seal with vibration damper
A bellows-type mechanical seal construction having a rotating carbide face ring provided with a vibration damper mounted thereon. The vibration damper comprises a carbon ring which is fixedly...
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4840384 |
Face-type shaft seal with shroud
The face seal of a centrifugal pump has a stationary seal component mounted on the pump casing and a rotary seal component rotatable with the drive shaft extending into the casing and connected to...
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4841183 |
Dynamoelectric machine construction and method
A dynamoelectric machine or electric motor construction is disclosed in which the motor has a cylindrical shell having a stator core press-fitted therein and positioned axially with respect to the...
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4838560 |
Slide ring seal
A slide ring seal for sealing a gap between a rotatable and non-rotatable machine part. The seal comprises at least one static seal ring to be attached to the non-rotatable machine part and...
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4807891 |
Electromagnetic pulse rotary seal
An rotary seal for protection against electromagnetic interference and electromagnetic pulses is disclosed. An electrically conductive resilient bellows surrounds a shaft extending through an...
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4749200 |
Mechanical seal with welded bellows
A rotary mechanical seal with metal bellows having reinforced weld joints. The bellows is formed of a plurality of adjacent annular discs or diaphragms having inner and outer circumferences welded...
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4744569 |
Bellows mechanical seal with inactive diaphragms
A bellows type mechanical seal assembly in which the bellows is provided with inactive or non-functional diaphragms to increase the pressure capacity of the seal assembly.
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4722415 |
Saddle riding type vehicle for running on rough lands
In a saddle riding type vehicle suitable for running on rough lands, a pair of left and right frontwheels supported frontwardly of a body frame through a swing arm and a front axle housing have...
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4680879 |
Underwater dredging apparatus and cutter head therefor
A boom pivotally mounted for rotation about a vertical axis on a support vehicle which may be a floating barge or heavy truck. The boom is extensible and retractable in the radial direction and...
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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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4613005 |
Unitized seal for severe service applications
The present invention is directed to a grit exclusion and oil retention seal for use in extremely hostile environments. These environments include, but are not limited to sealing oil within...
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4591167 |
Slide ring seal with pre-contoured bellows
A slide ring seal for sealing a machine component relative to a pressurized media. A slide ring is provided which is axially slidably mountable on the machine component. A bellows is arranged for...
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4573691 |
Mechanical face seals
In a mechanical face seal for producing a fluid tight seal between a pair of relatively rotatable components a first sealing element is associated with one of said components and is fixed axially...
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4521025 |
Seal device
The invention concerns a seal device comprising a rotating and a non rotating seal ring, a so-called mechanical seal. The rotating (2) and non rotating (3) rings are pressed towards each other by...
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4502698 |
Rotary face seal with flexible annular boot
A rotary seal interposed between an axially and rotatably movable shaft and stationary housing, the seal having a flexible annular boot or diaphragm mounted in surrounding relation to the shaft and...
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4477088 |
Face seal means with back-up seal
In a twin spool gas turbine engine, a bellows serves to bias a carbon seal against its seal plate and a piston ring back-up seal spaced radially outward and axially from the carbon seal provides a...
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4440403 |
Drop-proof and dust-proof device in rotary operation section of camera
Eccentricity between an external knob and camera casing is accommodated by providing a flexible rubber ring between the two which will bend during a change in their relative positions so that a...
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4429884 |
Stern tube face seal with funnel-shaped packing
A stern tube seal wherein a rotatable and slidable ring in close contact and sliding with respect to a fixed slidable ring secured to a stern frame side is loosely slipped over a rotating shaft...
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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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4342538 |
Face-type shaft seal
A face-type shaft seal characterized by a protective boot surrounding the rotating seal assembly inside of the coil spring, and a viscous material filling the boot cavity to prevent liquid and...
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4306727 |
Dynamic seal for rolling cutter drill bit
A dynamic seal is disclosed for sealing between a rotating cutter and a drill bit journal in an underground formation drilling bit, which seal utilizes a static elastomeric seal ring abutting a...
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4284281 |
Joint sealing structure
PCT No. PCT/WS80/00166 Sec. 371 Date Feb. 19, 1980 Sec. 102(e) Date Feb. 19, 1980 PCT Filed Feb. 19, 1980 A joint sealing structure (12) including an annular seal ring (23) having a sealing portion...
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4275890 |
Seal with stiffened force-transmitting portion
PCT No. PCT/US79/00505 Sec. 371 Date July 16, 1979 Sec. 102(e) Date July 16, 1979 PCT Filed July 16, 1979 PCT Pub. No. WO81/00293 PCT Pub. Date Feb. 5, 1981 A sealing structure (10,110) for use in...
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4251082 |
Joint seal having force transfer ring
PCT No. PCT/US80/00056 Sec. 371 Jan. 21, 1980 Sec. 102(e) Date Jan. 21, 1980 PCT Filed Jan. 21, 1980 A joint sealing structure (16) providing a seal between variably spaced joint members (11,12)....
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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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4216972 |
Unitized face type seal
A primary face type seal is maintained in face to face engagement by secondary elastomer seals. A multi-part retainer encircles the primary and secondary seals to provide a unitizing housing for...
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