Quotables
"The horse is here to stay, the automobile is only a novelty - fad."
President of Michigan Savings Bank ; 1903
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7427071 | Divided driver device for a slip ring seal A divided driver device (5) for a mechanical face seal for non-rotatable assembly on a rotary component and for the transmission of a torque to a seal ring (2) held in non-rotatable manner on the driver device. The driver device (5) is divided i... | 09/23/2008 |
| 7311307 | Seal seat assembly with specialized features A seal seat assembly utilizes a positive mechanical drive between a seal seat and the bore of a pump component, which in turn is mounted to and driven by the shaft by means of a positive mechanical engagement therebetween. The grommet accommodates the positive mecha... | 12/25/2007 |
| 7240904 | Secondary sealing element A secondary sealing element comprises a base body (12) made of a synthetic material and comprising a base portion (13) and a seal portion (14) which each comprise coaxially aligned, axially adjacent through bores (17, 31) for the passage ... | 07/10/2007 |
| 7219898 | Spring supported dual element face seal with a run surface sleeve The invention provides a seal for a rotatable shaft. The seal includes an inner case mountable to the shaft and having a body and first and second flanges extending radially outward from the body. The seal includes first and second sealing discs operable to seal aga... | 05/22/2007 |
| 7204490 | Shaft-sealing device having an inner modular structure for combining with a rotary machine A shaft-sealing device includes a shaft tube, a retaining ring member, a rotary ring member, a resilient ring member and a sealing ring member. The shaft tube provides with an annular end flange and engaging notches thereon. The rotary ring member also provides with... | 04/17/2007 |
| 7188477 | High temperature dynamic seal for scramjet variable geometry A seal assembly for use in an engine, such as a scramjet engine, having a movable element, such as inlet cowl flap, is provided. The movable element has an outboard structural member which requires thermal protection. The seal assembly includes a sealing element and... | 03/13/2007 |
| 7163206 | Fluid seal A jet pipe assembly containing at least one joint provided with a seal assembly to isolate, substantially, the fluid flowing in the pipe from the fluid external to the pipe. The dynamic member of the seal assembly is provided with both radial and cylindrical sealing... | 01/16/2007 |
| 7118324 | COcompressor A CO2 compressor for an air conditioner of a motor vehicle is suggested having a sealing device, assigned to the driveshaft of the CO2 compressor, which is implemented as a sliding ring. The CO2 compressor features a lubrication devi... | 10/10/2006 |
| 7052017 | Rotary machine with seal The so-called comb-type labyrinth sealing device (S1) is disposed in a gap between a rotor blade (2), i.e. a rotating member, and a labyrinth packing (9), i.e. a stationary member. The sealing device (S1) has a plurality of sealing fins (... | 05/30/2006 |
| 6994351 | Mechanical seal device and method for a scraped surface heat exchanger A sealing method and apparatus is provided for sealing between a rotating shaft and a fixed housing such as found in scraped surface heat exchangers. The sealing apparatus and method includes a sealed cartridge where a gland and a trapped seal ring can be releaseabl... | 02/07/2006 |
| 6935633 | Shaft sealing device having a positioning ring and a retaining ring thereof A shaft sealing device includes a shaft tube, a main body, a fixed sealing ring, a positioning ring and a retaining ring. The shaft tube is provided with an outer flange and a rotary ring mounted thereto. The main body has an axial hole for supporting the shaft tube... | 08/30/2005 |
| 6935632 | Automatically disengaging spacing mechanism for a mechanical seal A spacing mechanism is provided for locating at least one rotatable component relative to a stationary component of a mechanical seal. The spacing mechanism is configured to automatically disengage from the rotatable seal component, and/or its associated hardware, u... | 08/30/2005 |
| 6918592 | Face seal device A face seal device for sealing a shaft relative to a casing includes a pair of co-operating seal rings, one of said seal rings serving for non-rotational mounting on the casing and the other for common rotation with the shaft. The seal rings include bores through wh... | 07/19/2005 |
| 6695315 | Single seal 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 location between a fixed and a rotary sealing ring. The seal is f... | 02/24/2004 |
| 6672591 | Drive pins in a mechanical seal A mechanical seal provides a sealing between a rotatable shaft and a housing. The seal has a stationary part for connection to the housing and a rotary part for rotation with the shaft. Mating sealing faces are carried by the stationary and rotary parts a... | 01/06/2004 |
| 6550779 | Mechanical split seal A split seal component including a seal face comprising two seal face segments rigidly mounted in two holder halves and methods of assembly and installation. The seal face segments may each have a nose that is held snugly by each holder half and is suppor... | 04/22/2003 |
| 6460858 | Mechanical seal The compression ring 21 is mounted on the seal ring 20 at the end thereof. The compression ring 21 has the outer circumference projections 30 that are fixed in the groove 40 extending in the axial direction at the inner surface of the flange 22 . With thi... | 10/08/2002 |
| 6357753 | Cartridge-type mechanical seal A mechanical seal M1 that can be installed in a simple procedure and thus simplifies maintenance. The positioning of the stationary seal unit 3 and rotary seal unit 4 is effected by setting spacers 5 fixed on the stopper ring 36. The stopper ring 36 is mo... | 03/19/2002 |
| 6305693 | Precision load adjustable rotary shaft seal A rotary seal assembly is comprised of a collar adapted to be fixedly mounted on a shaft, the collar including a plurality of through going apertures parallel to the axis of the shaft. Drive fingers are slideably mounted within the bores of the collar, an... | 10/23/2001 |
| 6158743 | Hub seal with low installation load and rotation prevention structure A hub seal for installation on the wheel end of a heavy duty trailer or truck is disclosed which includes an annular casing having a radially outer surface configured to sealingly engage an accommodating surface of a wheel hub mounted for rotation about a... | 12/12/2000 |
| 6155573 | Removable and replaceable hub seal A one-piece, reusable hub seal unit for heavy duty axles and the like. The unit includes a stiff but flexible casing covered with an elastomeric portion. The casing has a radial flange, a slightly axially inclined sleeve portion, and a purely axial portio... | 12/05/2000 |
| 5913521 | Rotating seal ring component kit for a mechanical split seal A rotating seal ring component kit is provided which comprises a seal ring having a split dividing the seal ring into at least two sections configured to fit around a shaft, a clamp ring having a split dividing the clamp ring into at least two sections co... | 06/22/1999 |
| 4639000 | Automatic aligning cartridge mount seal A cartridge mount seal includes a unitary sleeve structure for telescopically receiving a seal ring adapter therein, the sleeve structure being sealed to a shaft and to the seal ring adapter. Automatic alignment of a stationary unit to the rotary unit is ... | 01/27/1987 |
| 4502694 | Axial shaft sealing unit with improved housing A slide ring seal intended for the sealing of a rotating machine component. The seal comprises an annular housing in which are accommodated a slide ring, a bellows-like secondary seal, and a counter ring which is arranged with force fit on the rotating ma... | 03/05/1985 |
| 4426089 | Dust-proof device for mechanical seal A dust-proof device for preventing dust from entering into sliding surfaces from the inside thereof in a mechanical seal for avoiding the leakage of fluid from the outside into the inside of the sliding surfaces, which mechanical seal comprises a seating ... | 01/17/1984 |
| 4420160 | Face seal system A face seal system for sealing passage of a rotatable shaft through a wall separating regions subject to differential fluid pressure. A seal member is pressure compensated for sealing the passage with a sealing force responsive to the pressure differentia... | 12/13/1983 |
| 4415167 | Assembled multi-component seal In a rotary end face seal for fluid pumps or the like including a housing adapted to be received within a seal counterbore, a primary seal ring with an end face portion adapted to engage a mating ring, a spring element urging the primary seal ring axially... | 11/15/1983 |
| 4389051 | Pressed in anti-rotation lugs for mechanical face seals A mechanical face seal which includes a non-rotatable seal ring and a rotatable mating ring biased into rubbing engagement. The non-rotatable seal ring is disposed in a stationary housing and is axially biased toward the rotatable mating ring which is fix... | 06/21/1983 |
| 4337628 | Universal joint with unitary face seal and retainer assembly A universal joint includes a unitary face seal and retainer assembly which provides a face seal for retaining lubricant and excluding contamination. The assembly determines the limits of relative movement between the trunnion and bearing block during asse... | 07/06/1982 |
| 4304408 | Sealing ring retention device A sealing ring retention device for use in rotary mechanical fluid seals subjected to high fluid pressure and/or high temperature environments which utilizes unitary locking and anti-rotational structural features.... | 12/08/1981 |
| 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 partially overlaps the slide ring and the support housing. A... | 07/14/1981 |
| 4213618 | Self-contained rotary mechanical seals A self-contained rotary mechanical seal is provided for mounting on a rotating shaft to form a seal between the shaft and structure on a housing through which the shaft extends. The seal includes an annular lug holder to be secured to the shaft as by set ... | 07/22/1980 |
| 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 extending transverse to the axis of the seal structure. The s... | 11/07/1978 |
| 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 of the annular seal, an annular face seal carried by said e... | 12/20/1977 |
| 3947045 | Rotary sealing means This rotary sealing means has a casing with spaced concentric inner and outer walls connected by an end wall, the latter having a shoulder adjacent the inner wall. A primary sealing element, composed of carbon or the like, is guided for nonrotative moveme... | 03/30/1976 |
