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Patent No. 6351867

Body squeegee

A hand wearable body squeegee comprising a glove portion, a concave squeegee band, and a linear squeegee band.

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Class 218/57 - Puffer piston


Subclass of Class 218 - High-voltage switches with arc preventing or extinguishing devices
Definition: Subject matter including a relatively movable piston and
No. of patents: 85
Last issue date: 03/04/2008


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NumberTitleIssue Date
7339132Method of current interruption using puffer type gas circuit breaker with combined-action of cylinder and piston
A puffer type gas circuit breaker has a piston, which is connected with a center shaft via a link mechanism. At an initial stage of an interruption operation, the link mechanism drives a puffer cylinder and the piston both in an interruption direction while maintain...
03/04/2008
7317264Method and apparatus to independently control contactors in a multiple contactor configuration
A method and apparatus to independently control the closing or making of contactors in a modular contactor assembly is disclosed. The apparatus includes a contactor assembly having multiple contactors such that each contactor is separately controlled such that one c...
01/08/2008
7196434Modular contactor assembly having independently controllable contractors
The present invention provides an electrical isolation apparatus having independently controllable contactors. The isolation apparatus includes a contactor for each phase or pole of an electrical device as well as each phase or pole of a load. Each contactor is cons...
03/27/2007
7115831Vacuum interrupter with a switch contact piece
According to the invention, heat generated inside a vacuum interrupter (1) is to be extracted, essentially by means of the pins (7, 8) of the contact pieces (5, 6) and, in order to improve the transmission of heat, a first slide contact surface ...
10/03/2006
7057311Isolation contactor assembly having independently controllable contactors
The present invention provides an electrical isolation apparatus having independently controllable contactors. The isolation apparatus includes a contactor for each phase or pole of an electrical device as well as each phase or pole of a load. Each contactor is cons...
06/06/2006
7053326Integrated type gas-insulated switching apparatus
In an integrated type gas-insulated switching apparatus, a plurality of switching devices are provided. Each of switching devices includes a contact and an insulated container in which the contact is contained. The contact comprises electrodes adapted to be contacte...
05/30/2006
6956728Method and apparatus to control modular asynchronous contactors
A modular asynchronous contactor assembly includes a contactor for each phase or pole of an electrical device. The contactor assembly is applicable as both a switching device and an isolation or load protection device. As such, each contactor is constructed so that ...
10/18/2005
6952332Vacuum arc eliminator having a bullet assembly actuated by a gas generating device
A vacuum arc interrupter that includes a vacuum chamber assembly and a pressure chamber assembly. The vacuum chamber assembly includes a vacuum chamber and a first conductor which is structured to be coupled to a circuit. The first conductor is disposed within the v...
10/04/2005
6919785Pressure sensitive trip mechanism for a rotary breaker
A pressure sensitive trip mechanism for actuating a circuit breaker operating mechanism to trip a circuit breaker includes a trip lever and a trip bar. The trip lever is rotatable about a first pivot. The trip bar is positioned proximate the trip lever. The trip bar...
07/19/2005
6853524Vacuum arc interrupter having a tapered conducting bullet assembly
A vacuum arc interrupter that includes a vacuum chamber assembly having a first conductor and a pressure chamber assembly having a second metal conductor, with an opening, and a bullet assembly. The first conductor is coupled to a power line and the second conductor...
02/08/2005
6787725Switching mechanism of circuit breaker for gas insulted switchgear
A switching mechanism of a circuit breaker for a gas insulated switchgear is able to extinguish arc gas by changing a volume of a compressing chamber without increasing a stroke of a movable cylinder and without increasing required output power of an actuator. ...
09/07/2004
6252190Electrical high speed circuit breaker with explosive charges including ablative arc extinguishing material
A simple high-speed circuit breaker which is cheap to produce is specified for alternating currents which have to be switched off, which switches such currents off within one half-cycle at the current zero crossing, by means of a gas-generating explosive ...
06/26/2001
6107590Circuit-breaker with an explosive charge ignited during opening operation
Extending between a fixed tulip contact (1) and a slide tulip (4) is an arcing chamber (5) which is occupied in the closed position by a movable contact pin (3) which fills up both an exhaust (9) surrounded by the slide tulip (4) and a blowout opening (7)...
08/22/2000
6100489Consumable switching arrangement
In the switched-on position, under the influence of contact forces generated by elastic deflection or else by mechanical spreading, or spreading caused by the attraction of parallel currents or repulsion of antiparallel currents, of a switching pin (5) , ...
08/08/2000
5902978Power breaker
This power breaker has at least one quenching chamber, which is filled with an insulating medium, is of cylindrical design, extends along a central axis (2) and has a power current path, having two stationary consumable contact arrangements (5, 6) which a...
05/11/1999
5844189Circuit breaker having contacts with erosion-resistant covering
A circuit breaker includes a cylindrical arcing chamber filled with an insulating medium. The arcing chamber has a power current path and an insulating housing. The insulating housing has a longitudinal axis and the power current path extends along the lo...
12/01/1998
5783791Gas insulated interrupter
A puffer-type gas insulated interrupter has stationary and moving main contacts, stationary and moving arc contacts for discharging an arc, and a puffer cylinder for electric arc suppression. At the time of current interruption, the puffer cylinder moves ...
07/21/1998
5780799Reduced autocompression circuit-breaker
This present invention concerns a circuit-breaker of the self-blasting type including a system for immobilizing the semi-mobile piston during a first part of displacement of the mobile contact assembly between the closed position and the open position and...
07/14/1998
5767471Pressurized gas circuit-breaker
In a pressurized gas circuit-breaker the mobile contact member is fixed to a connecting rod that passes coaxially through the fixed braking cylinder. The braking cylinder has transverse walls at both ends so as to delimit a cylinder. The connecting rod ha...
06/16/1998
5723840Gas-dielectric high-tension interrupter of the arc-puffer type
A gas-dielectric high-tension interrupter of the arc-puffer type in which the puff of gas is brought about by the combined effect of an excess pressure developed in a compression chamber and intensified by the heating caused by the arc radiation, which is...
03/03/1998
5717183High-voltage power switch with a cooling device for cooling the quenching gas
An electric high-voltage power switch has two contacts and at least one gas outlet for quenching gas heated by the arc generated between the contacts. A cooling device is provided for cooling the quenching gas. The cooling device is formed of a metal body...
02/10/1998
5705781Electrical gas-blast switch
In a gas-blast switch with a compression device to produce a quenching gas blast, in order to make the magnetic effect of the break current available already at the beginning of the cut-off movement, a compression chamber and a piston-cylinder system form...
01/06/1998
5703552Electrical safety switch
For protecting the pump of a carpet cleaner, the cut-out terminals 16, 15 are commanded by the pressure of fluid in passage 11, 12, 13 which communicates with volume 22 having as an upper wall a flexible diaphragm 24. A fluid tight and electrically insula...
12/30/1997
5610381Compression gas puffer type circuit breaker
A compression gas puffer type circuit breaker has a magnetic body surrounding a conductor between a stationary arc contact and a main bus conductor. The magnetic body is protected from being exposed to heated puffer gas generated when a movable arc contac...
03/11/1997
5585610Moving gas mixing plate for puffer interrupter
A steel plate of area greater than the area of the output of a nozzle in a puffer gas interrupter is fixed to but is spaced from the downstream end of the nozzle and causes turbulence in the hot interrupter gases flowing through the nozzle to improve mixi...
12/17/1996
5578805Metal-enclosed gas-filled switchgear units
A metal-enclosed, gas-filled switchgear unit has at least two busbar systems and a circuit breaker which respectively has per pole a pole axis and at least one arcing chamber built into a pole housing constructed as a metal enclosure. The pole axes are ar...
11/26/1996
5578804Metal-enclosed gas-insulated switching installation
A metal-enclosed, gas-insulated switching installation includes at least two busbar systems and a circuit breaker. Each circuit breaker is in the form of a pole having a pole axis and at least one extinction chamber, installed in a pole housing. The pole ...
11/26/1996
5543597Grounding switch gear device
A first puffer chamber is formed by a puffer cylinder having a substantially cylindrical flange portion and a shaft portion, and a fixedly disposed piston. The piston is formed in a cylindrical shape sealed with respect to an external space, and is consti...
08/06/1996
5514844Switch
A switch for use in electric power includes a fixed contact, a moving contact performing a switching operation with respect to the fixed contact, a cylinder working with the moving contact, a piston slidably provided in the cylinder, a buffer chamber whic...
05/07/1996
5495084Slip-through mounting structure for circuit interrupter
The movable contact of a puffer interrupter contains a movable conductive tubular sleeve which is electrically connected to and is slidably mounted within a hollow conductive adapter which is supported from the end of a bushing insulator. An insulation ro...
02/27/1996
5453591Sensing structure for component wear in high voltage circuit interrupters
A vaporizable material, for example, a silicone, that is buried beneath the surface of a Teflon nozzle for a sulfur hexafluoride power circuit breaker in an area of the nozzle which is exposed to abrasion and wear due to arc products. In a similar manner,...
09/26/1995
5293014Circuit breaker with triple movement for high or medium voltages
A circuit breaker has within a casing filled with a dielectric gas, especially SF6, a first arcing contact electrically connected to a first terminal, and a second arcing contact electrically connected to a second terminal. The second arcing co...
03/08/1994
5151565Medium tension circuit breaker
A medium tension circuit breaker comprising a casing of insulating material enclosing a gas having good dielectric properties and containing the following: first contacts connected to a first current terminal and second contacts connected to a second curr...
09/29/1992
5134256Puffer interrupter switch
An electrical switch apparatus comprising at least one set of contacts including a movable contact and a stationary contact, at least one chamber surrounding the contacts, a first support for supporting the chamber, a second support for supporting the sta...
07/28/1992
5079391Puffer type gas circuit breaker, contact cover and insulated nozzle of the breaker
A puffer type gas circuit breaker having at least one pair of a stationary contact and a movable contact capable of being separated from each other, a pressure producing section including a puffer cylinder and a puffer piston. The puffer cylinder is conne...
01/07/1992
5072083Grounded gas blast circuit breaker/isolating switch with visual inspection assembly
A circuit breaker/isolating switch device intended, in particular, to be associated with a generator in a power station for protection purposes. The device is disposed inside a metal sheath and comprises a gastight insulating casing filled with a gas havi...
12/10/1991
5045651Switch
A switch provided with a negative pressure chamber which is actuated in association with the separating operation of a movable contact. The negative pressure chamber is connected to a means for supplying a fluid to the negative pressure chamber so as to s...
09/03/1991
4935590Gas-blast circuit breaker
A puffer SF6 circuit breaker comprises a pair of separable contacts with formation of a breaking gap, a piston-cylinder assembly to compress the gas when the movable contact is actuated to the open position, and a puffer nozzle designed to channel the gas...
06/19/1990
4916998Electric switch and integrated switch-preaccelerator system for an electromagnetic projectile launcher
An integrated switch-preaccelerator system for use in an electromagnetic launcher includes a pair of spaced generally parallel preaccelerator rails, a pair of spaced first and second conductive switch terminal elements disposed adjacent upstream ends of t...
04/17/1990
4910367Visible break switch
An SF6 puffer interrupter switch includes one or more viewing windows located on the housing. The viewing windows are strategically located on a sidewall of the housing to allow all of the puffer interrupter assemblies within the housing to be ...
03/20/1990
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