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Patent No. 6718554

Hands free towel carrying system

A hands free towel carrying system for coupling a towel to a user to prevent loss, theft or contamination.

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Class 310/104 - With air-gap shield


Subclass of Class 310 - Electrical generator or motor structure
Definition: Subject matter having a shield in the air gap.
No. of patents: 99
Last issue date: 12/07/2010


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NumberTitleIssue Date
4328684Screw compressor-expander cryogenic system with magnetic coupling
Cryogenic refrigeration system 10 employs a screw compressor 72 and a screw expander 70 wherein one rotor of the compressor and one rotor of the expander is mechanically driven, including a magnetic coupling 50, 52 between the compressor and expander roto...
05/11/1982
4327301Magnetic clutch housing
A rotatable housing for a magnetic clutch contains a circumferential mounting portion thereon for receiving a rotary member, as, for example, a spool of recording tape. The mounting portion defines a surface therearound which contains detents for axially ...
04/27/1982
4304532Pump having magnetic drive
A fluid-handling apparatus having a magnetic drive comprises a rotatable driver member and a driven member provided with blades for imparting motion to a fluid and mounted on a stationary shaft forming a one-piece unit with a thin diaphragm positioned bet...
12/08/1981
4277707High speed magnetic coupling
Apermanent magnet coupling including high strength rare earth-cobalt permanent magnets retained under uniform compression during rotation....
07/07/1981
4247792Permanent magnet type stirrer drive
A magnetic coupling for a stirrer drive in a high pressure autoclave in which the magnet shaft is in the form of a sleeve-like bush fixed on the end of the stirrer shaft. A portion of the magnet shaft serves as a carrier of segmented permanent magnets on ...
01/27/1981
4226574Magnetically driven pump
An electromagnetically driven pump in which a stationary metallic shaft carries the pump impeller. The shaft is rigidly secured to a metallic separating wall having an outer flange secured to the coupling housing. The impeller is driven by a magnetic coup...
10/07/1980
4207485Magnetic coupling
A permanent magnet coupling having opposed magnetic coupling members, and including process fluid bearings and dual flow paths for process fluid providing temperature control....
06/10/1980
4197474Hermetic clutch
An improved hermetic clutch for driving a shaft and adapted for securement to a non-rotating supporting structure includes first and second elongate annular members, the second being concentrically disposed within the first with the shaft coupled to one o...
04/08/1980
4184090Rotary magnetic isolation coupling
A magnetic drive for coupling mechanical power to the interior of a high pressure vessel is disclosed. The drive includes an output or driven portion including a non-magnetic housing hermetically sealed to a wall of the vessel and containing an output sha...
01/15/1980
4152099Magnetically coupled pump and impeller assembly therefor
Described is a magnetically coupled pump and an impeller assembly therefor. In a magnetically coupled pump wherein the hub portion of a rotary impeller is inserted within the bore of a hollow cylindrical driven magnet to be rotated by a surrounding annula...
05/01/1979
4146805Magnetic drive
The drive uses a recessed wall or partition between the pole-rings of the two rotors to substantially diminish the occurrence and strength of eddy currents. The recesses may be in the form of grooves, depressions or axial bores which reduce the mass of th...
03/27/1979
4115040Permanent magnet type pump
Disclosed is a permanent magnet pump in which the pump impeller and the interior rotor of a permanent magnet driving means receives drive torque transmitted in synchronism by an exterior rotor. The exterior rotor is positioned, axially in one form and rad...
09/19/1978
4073355Crucible
A weighing device for the automatic regulation of a crystal-growing operation includes an upright shaft on which a crucible for a crystal melt is supported. The shaft is journalled for rotation and has limited freedom of movement in downward direction und...
02/14/1978
4044567Modular, magnetically-coupled drive for a cryogenic refrigerator
An improved Vuilleumier cycle refrigerator is disclosed. To reduce fluid contamination and inactive refrigerant volume, the hot and cold fluid displacers of the refrigerator are driven by a magnetic drive mechanism. The magnetic drive mechanism has a firs...
08/30/1977
4043706Bearing support structure for electro-magnet driven pump
An electromagnetically driven pump having a rotor unit comprising a motor armature integral with a pump impeller and supporting bearing means mounting the rotor unit for rotation and limiting axial movement of the rotor unit in one axial direction and add...
08/23/1977
3961213Motion transformer
A rotary motion transformer particularly adapted to provide continuous rotary motion to a driven member in response to an intermittently rotated driving member is provided. The driven member and the driving member are oppositely poled magnetic permeable m...
06/01/1976
3938914Pump impeller and coupling magnet structures
Cylindrical impeller-coupling magnets of the ceramic type in magnetically-coupled centrifugal pumps according to the disclosure are encircled by guard banding to aid in retaining the cylindrical configuration in cases of cracking and fissuring in the magn...
02/17/1976
3936683Magnetic coupling
In a magnetic transmission device a torque magnetic ring having an even number of axially aligned bars of highly magnetic material is rotatable mounted relative to at least one of two magnetic pole rings for transmitting torque between the pole rings....
02/03/1976
3932068Magnetically-coupled pump
A magnetically-coupled centrifugal type of pump characterized in that the pump housing comprises two members which can be made by molding, for example in plastic, and one of the body members has formed as integral parts thereof two reversely opening magne...
01/13/1976
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