Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7878509 | Mechanical seal device A mechanical seal has a seal cover attached to an outer surface of a device body, a fitting surface through which a shaft is insertable, and defines a space further away from a machine than the fitting surface. A quenching path penetrates the space and supplies quen... | 02/01/2011 |
| 7857319 | Mechanical seal with banded ring A mechanical end face seal with a pair of annular relatively rotating seal face defining seal rings. An annular compression contact ring disposed in surrounding relation to one of the seal rings includes a plurality of pads at asymmetrical locations in interference ... | 12/28/2010 |
| 7431303 | Heat conducting seal A mechanical face seal, for sealing about a rotating shaft, includes a seal head assembly in sealing engagement with a seal seat assembly. The seal seat assembly has a washer with a portion that is sandwiched between a grommet and a seal seat. Another portion of the... | 10/07/2008 |
| 7252291 | Mechanical seal having a single-piece, perforated mating ring A mechanical seal (e.g., single mechanical seals, double mechanical seals, tandem mechanical seals, bellows, pusher mechanical seals, and all types of rotating and reciprocating machines) with reduced contact surface temperature, reduced contact surface wear, or inc... | 08/07/2007 |
| 7128522 | Leakage control in a gas turbine engine A gas turbine engine expansion joint comprises first and second members having confronting faces defining a gap therebetween. At room temperature, the gap varies in accordance with the temperature distribution profile of the first and second members during normal en... | 10/31/2006 |
| 7082962 | Seal support system for maintaining barrier fluid pressure within a mechanical seal An intelligent seal support management system includes a device for automatically compensating for increased heat or decreased heat in a vessel. ... | 08/01/2006 |
| 7066469 | Seal assembly for machinery housing A seal assembly for a machinery housing includes a seal ring having a micro heat exchanger and a gland plate for securing the seal ring to the machinery housing. The gland plate includes a cooling fluid port in communication with the micro heat exchanger. ... | 06/27/2006 |
| 6959929 | Seal for a compressor and centrifugal compressor equipped with such a seal A seal for a rotary compressor comprises a casing, at least one assembly having a rotating seal face ring which rotates as one with a sleeve intended to be mounted on a shaft of the compressor and of a stationary seal face ring mounted on the casing, the seal face r... | 11/01/2005 |
| 6942219 | Mechanical seal having a double-tier mating ring An apparatus and method to enhance the overall performance of mechanical seals in one of the following ways: by reducing seal face wear, by reducing the contact surface temperature, or by increasing the life span of mechanical seals. The apparatus is a mechanical se... | 09/13/2005 |
| 6932348 | Mechanical sealing device Even high viscosity fluid or slurry-contained fluid can be securely sealed without deficiency of a liquid sealing device. The sealing liquid device includes an annular packing made of rubber-like elastic material, the annular packing having a secured section fitted ... | 08/23/2005 |
| 6918594 | Face seal assembly with composite stator A composite face seal has an annular seal rotor and an annular seal stator, both having a metal base portion and a radially extending flange. The flange has first and second axially facing surfaces. A first ceramic ring may be mounted to the first surface of the fla... | 07/19/2005 |
| 6910692 | Composite elastomeric seal for sealing fluid lines A composite elastomeric seal for sealing fluid line members is provided. The composite seal comprises an outer U-shaped seal body and an inner elastomeric portion. The U-shaped seal body comprises inner and outer extending arms, each arm having a shaped contour and ... | 06/28/2005 |
| 6688602 | Shaft sealing mechanism of compressor with mechanical seal The mechanical seal (3) includes: a rotary side sliding ring (32) which is supported by the large diameter side outer circumferential face (23) of the annular step section (21) of the rotary shaft (2) via the rotary side O-ring (37) and press-fitted into ... | 02/10/2004 |
| 6616145 | Face seal device for high rotational speeds A face seal device for use with components rotating at a high rotational speed includes a non-rotating face seal ring (5) and a rotary face seal ring (11) mounted in a loose fit on and rotatable together with the rotary component. The rotary face seal rin... | 09/09/2003 |
| 6568684 | Method of forming a seal assembly around a shaft A method of forming a seal assembly around a shaft is disclosed. The method includes (a) urging a first seal member against a second seal member so as to produce a load between a first seal face and a second seal face, (b) measuring the load produced betw... | 05/27/2003 |
| 6503061 | Device for dissipating heat and cutting off power of a pump A heat dissipating and power cutting-off device of a pump has a heat dissipating ceramics ring fitted in a plastic member to form watertight connection in between to prevent water from flowing to a motor. The plastic member has a pivotal hole for a main b... | 01/07/2003 |
| 6425583 | Rotary ring and mechanical seal using the same A rotary ring has a seal end face located at an end of the axial line direction thereof perpendicularly to the axial line and an anti-seal end face located at the other end thereof in the axial line direction, wherein the seal end face and the seal end fa... | 07/30/2002 |
| 6202668 | Valve with fire-resistant seal A valve with fire-resistant seal for use in industrial piping applications. The valve includes a valve body with a valve element therein. The valve is illustrated as a ball valve, but other valve configurations could also be used. A valve stem engages the... | 03/20/2001 |
| 6039810 | High temperature vapor coating container A high temperature vapor coating container, including a hollow interior, resists distortion and cracking at a vapor coating temperature of at least about 1700° F. as a result of making the container of a nonmetallic material having a coefficient of therm... | 03/21/2000 |
| 5792492 | Optical disk molding apparatus equipped with liquid sealing means An optical disk molding apparatus is provided which includes a fixed side mold assembly and a movable side mold assembly. Each mold assembly has a mounting plate, a disk cavity plate, a temperature control liquid passage, and a temperature control liquid ... | 08/11/1998 |
| 4948151 | Rotary end face seal assembly An improved rotary end face seal assembly used singly or in combination with other seals, preventing escape of a contained pressurized medium, gas or liquid, through the annulus between a stationary housing and a rotating shaft, comprises a rotary assembl... | 08/14/1990 |
| 4850599 | Mechanical face seals A rotary mechanical face seal includes first and second seal face members, the sealing face of one seal face member being urged into engagement with the sealing face of the other seal face member, said seal face members being such that when subjected to t... | 07/25/1989 |
| 4741541 | Seal for a rotatable pipe coupling Seal for a rotatable pipe coupling of large dimensions such as the swivel of a mooring device, comprising a sealing ring (30) of substantially rectangular cross-section (31) place in a rectangular groove (29) which bridges the gap (27) to be sealed, the s... | 05/03/1988 |
| 4613141 | Hydrostatic and hydrodynamic seal for rotating a rotating shaft A hydrostatic or hydrodynamic shaft seal comprises a ring revolving with the shaft and an axially movable static ring which is sealed against the housing by two O-rings and forms, with the revolving ring, radial seal gaps. An incompressible fluid flows an... | 09/23/1986 |
| 4576548 | Self-aligning static seal for gas turbine stator vanes An arrangement is provided for statically sealing between the inner shroud 12 of individual stator vanes of a gas turbine, and a seal housing 14 provided with a radially outwardly open channel 22 into which is received a plurality of outer seal segments 2... | 03/18/1986 |
| 4461487 | Stern tube seal A stern tube seal having a fixed slidable ring and a rotatable and slidable ring in close contact and sliding with respect to the fixed slidable ring, wherein an annular groove is formed in a sliding end surface of the fixed slidable ring, a leaked liquid... | 07/24/1984 |
| 4415168 | Mechanical seal A mechanical seal comprises a seating ring and a follower ring. The seating ring receives therethrough a rotatable shaft and forms a stationary member and the follower ring is rotated together with the rotatable shaft in sliding contact with the seating r... | 11/15/1983 |
| 4376540 | Gas seal for shafts with a compensating ring A gas seal for a rotatable shaft of a housing which comprises, a first rotatable dimensionally stable seal ring connected to the shaft. A diaphragm is connected to the housing which exerts an axial bias on a second rotatable seal ring. The bias of the dia... | 03/15/1983 |
| 3970320 | Mechanical seal with thermo-cooling A mechanical seal assembly having a rotary sealing ring and a nonrotatable sealing ring carried by a housing flange including means to provide improved fluid cooling of the face of the nonrotatable sealing ring and a self-compensating sealing face that in... | 07/20/1976 |
