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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 8167315 | Mechanical sealing device, and a pump A mechanical sealing device and a pump including a mechanical sealing device are described. The sealing device includes a first seal element (11) and a first holder element (12) holding the first seal element. The first seal element (11) forms a... | 05/01/2012 |
| 7997583 | Mechanical sealing device A mechanical sealing device includes a stationary slide ring, a rotary slide ring which rotary slides and closely contacts the stationary slide ring, an O-ring located between an inner bore of the rotary slide ring and the rotary shaft. An annular ring member has a ... | 08/16/2011 |
| 7611151 | Mechanical seal with thermally stable mating ring A seal assembly for sealing between a housing component and a rotating shaft. The seal assembly comprises a pair of relatively rotating rings defining a seal interface. One ring is stationary relative to the housing component. A flexible compressive seal element is ... | 11/03/2009 |
| 7370864 | Balanced mechanical seal assembly A mechanical seal for providing a fluid-tight seal between a rotating shaft and a stationary housing comprises a first pair of seal members for sealing and separating a process fluid from a barrier fluid and a shuttle. The first pair of seal members comprises a firs... | 05/13/2008 |
| 7305963 | Blade-thru-slot combustion engine, compressor, pump and motor This is simple and efficient rotary machine that can be implemented as compressor, pump, motor and mainly as internal combustion engine. The engine comprises a housing, a rotor(s) with a radial blade(s), a chamber(s) swept by the blade(s), an intersecting planar val... | 12/11/2007 |
| 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 |
| 7144016 | Dry gas seal A gas seal assembly comprises a pair of mutually rotatable sealing members A, B, each of which has a face adjacent a gap between the two members. One of the members B is urged in a direction attempting to close the gap h which constitutes a leakage path through the ... | 12/05/2006 |
| 7140616 | Sealing device The invention relates to a sealing device which is provided with an annular circumferential groove in a preceding sealing washer and having a sealing body disposed in the groove. The width and depth of the groove are larger than the cross-section of the sealing body... | 11/28/2006 |
| 7134668 | Differential pumping seal apparatus A differential pumping seal apparatus includes a differential pumping seal for sealing a first space and a second space from each other in a non-contact manner, and a back up seal mechanism for sealing the first space and the second space from each other in a contac... | 11/14/2006 |
| 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 location between a stationary and a rotating sealing ring. The seal is attac... | 10/24/2006 |
| 7090221 | Seal device A seal contact surface of a seal lip member and a protruding lip member of an end face seal are separated from each other and frictional heat generated at the seal lip member due to sliding motion is prevented from being transferred to the end face seal for softenin... | 08/15/2006 |
| 7080510 | Exhaust gas sealing system for turbocharger An exhaust gas sealing system for a turbocharger includes a control valve for controlling a flow of an exhaust gas in a turbine housing, a shaft extending to an outside of the turbine housing through a bearing bore provided on the turbine housing, one end of the sha... | 07/25/2006 |
| 7069985 | Leakage resistant shroud hanger Disclosed is a submersible pumping system for pumping wellbore fluids. The submersible pumping system includes a motor assembly, a pump assembly connected to the motor assembly, and a shroud assembly attached to the pump assembly. The shroud assembly includes a shro... | 07/04/2006 |
| 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. The flanged boot has a first annular flange at one end and a second ... | 07/04/2006 |
| 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 |
| 7040627 | Cinchpac self-loading rotary shaft seal A seal assembly which is secured to a rotating shaft and which seals around the shaft. The seal assembly has molded grooves adjacent to the shaft which grasp the shaft and prevent leakage. ... | 05/09/2006 |
| 7029393 | Split inlet seal for grain separators and method A grain separator having an easily replaceable seal. The separator comprises a housing and a rotatable grain separation drum carried by the housing, the drum having an end face with an external annular bearing surface. A drive shaft extends axially into the drum thr... | 04/18/2006 |
| 7029012 | Mechanical seal without elastomers A seal that provides sealing between a rotatable shaft and a housing has a stationary part for connection to the housing and a rotary part for rotation with the shaft. The rotary part includes a sleeve for mounting on the shaft. One end of the sleeve is provided wit... | 04/18/2006 |
| 7004473 | Mechanical seal device A primary object of the present invention is to achieve a high sealing performance, to collect hazardous gas contained in a sealed process fluid, and to realize an easy disposition of a mechanical seal device. A typical configuration is that the end face of a shaft ... | 02/28/2006 |
| 6997285 | Shaft seal with lubrication device A shaft seal assembly for use with a reciprocating or rotating shaft includes a shaft seal, a lubricant-storing ring, and a retainer. The retainer and ring can be formed as a subassembly and then combined with a shaft seal. The assembly provides a lubricated shaft a... | 02/14/2006 |
| 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 device disposes a cup gasket made of a resilient rubber material betwe... | 11/08/2005 |
| 6931983 | Device for circulating sealing gas for mechanical dry seals of a centrifugal compressor at times when the machine is stationary and pressurized A device (10) for circulating sealing gas for mechanical dry seals (11) of a centrifugal compressor (13) at times when the machine is stationary and pressurized; the device comprises a sealed reciprocating compressor (12), which includes ... | 08/23/2005 |
| 6921078 | Slip ring seal Slit ring seal, especially running gear seal, consisting of an angle-shaped slip and/or opposing ring with a circumferential surface designed to accent a ring-shaped, approximately cross-sectional plate-spring shaped sealing body, where the sealing body, as needed, ... | 07/26/2005 |
| 6918593 | Mechanical seal device A primary technical goal of the present invention is to provide a mechanical seal device in which a manufacturing cost of the parts is decreased, a satisfactory seal performance is exhibited even under severe operating conditions, and the device can be easily mounte... | 07/19/2005 |
| 6916022 | Shaft seal A sealing assembly for extending around a rotating shaft for preventing the transmission of fluids along the shaft, in which a sealing element is biased towards the rotary sealing part; and a pusher sleeve extends between the sealing element and a housing. ... | 07/12/2005 |
| 6905123 | Seals A gas seal for providing a seal between a pair of relatively rotatable components is provided with a stand-still seal which will seal between the components when the components are stationary, the stand-still seal having a sealing element mounted in sealing relation... | 06/14/2005 |
| 6871857 | Mechanical sealing apparatus Disclosed herein is a mechanical sealing device for preventing fluid leakage. The sealing device has a sealing chamber formed by a flange, a seal casing and a seal cover at a position outside a gland ring. This gland ring is used for holding the gland packings insta... | 03/29/2005 |
| 6789804 | Dry gas shutdown seal A dry gas seal has a housing with an annularly-shaped channel disposed concentric with the drive shaft, and an inlet to introduce pressurized buffer gas into the housing interior. An annularly-shaped shutdown piston is slidably received in the housing channel for ax... | 09/14/2004 |
| 6729622 | Ready-to-mount axial face seal The ready-to-mount axial face seal comprises a rotating unit of a shaft protection sleeve pushable over the pump shaft with a longitudinal section projecting out of the housing of the pump and fastenable to this shaft, with a spring-loaded axial face seal ring surro... | 05/04/2004 |
| 6725464 | Rotary joint for diving suits A rotary joint used for armored diving suits which joint allows rotary motion and which seals the internal portions of the diving suit from the high pressure water in which the user is operating. The rotary joint allows axial movement during operation and reduces pr... | 04/27/2004 |
| 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 |
| 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 as to be acted upon by spring tension under axial prestres... | 12/02/2003 |
| 6592365 | Seal for oven circulating fan A multiple-piece seal is used for a cure oven circulating fan. The seal may be readily positioned along the length of the shaft to control the small clearance between the rotating seal and the oven such that there is no contact between the seal and the ov... | 07/15/2003 |
| 6589049 | Rotary kiln seal A rotary seal assembly for a rotary kiln having a hood and a rotary drum with an opening formed between the drum and the hood, and an end. The rotary seal assembly includes a flexible framework arrangement that attaches to the end. The rotary seal assembl... | 07/08/2003 |
| 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 |
| 6536774 | Mechanical seal, in particular for pumps A seal device for sealing between a wall (3) and a shaft (5), especially in a pump, comprising a stationary, preferably ceramic, seal element (13), which is connected to the wall, and a movably, preferably ceramic, seal element (14) which is connected to ... | 03/25/2003 |
| 6523832 | Slide ring seal A slide ring seal, including a slide ring and a counter-ring. The slide ring and the counter-ring sealingly contact each other at sealing surfaces so as to be relatively twistable and acted upon by spring tension under axial prestressing. The slide ring, ... | 02/25/2003 |
| 6497226 | Modular, compliant, sealing bearing assembly An improved modular, radially-compliant, redundantly-sealing journal-type bearing assembly comprising two bearing elements retained in a housing and positively loaded in opposing directions by a compression spring disposed therebetween. A shaft to be supp... | 12/24/2002 |
| 6494459 | Axial face seal An axial face seal, in particular a running gear seal, consists of an angular sliding ring and/or counter-ring with a circumferential surface for accommodating a ring-shaped sealing member with approximately plate-shaped cross section. The sealing member ... | 12/17/2002 |
| 6485023 | Split mechanical face seal A split mechanical face seal assembly wherein stator and rotor face rings and their respective surrounding collar and gland are all split substantially diametrically and are partially factory preassembled to facilitate shipping, handling and subsequent as... | 11/26/2002 |
