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Patent No. 5719655

System for magnetically attaching templeless eyewear to a person

A system of eyewear that eliminates the need for hinges on the frames of the eyewear.

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Class 418/48 - UNLIKE HELICAL SURFACES ON RELATIVELY WOBBLING ROTATING MEMBER AND ENCOMPASSING CYLINDER (E.G., MOINEAU TYPE)


Subclass of Class 418 - Rotary expansible chamber devices
Definition: Apparatus in which a cylinder and a rotating working member
No. of patents: 247
Last issue date: 04/10/2012


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NumberTitleIssue Date
8152499Eccentric screw pump
An eccentric screw pump with an annular outer part (10; 40; 74) and an inner part (12; 42; 72) arranged therein has an interior of the outer part (10; 40; 74) and an exterior of the inner part (12; 42; 72) tapering in a complementary mann...
04/10/2012
8147228Progressing cavity pump/motor
A progressing cavity pump/motor includes a stator tube (12), a rotor (20) within the stator tube, and a coupling assembly (30) interconnecting the upper and lower rotor sections. The coupling includes a drive adapter (32) and a socket ada...
04/03/2012
8109746Progressing cavity pump/motor
A progressing cavity pump/motor includes an upper stator tube (14), a lower stator tube (16), a rotor (20) sitting between the upper and lower stator tubes, and a coupling assembly (30) interconnecting the stator tubes comprising an outer...
02/07/2012
8083508Progressive cavity compressor having check valves on the discharge endplate
A new type of progressive cavity compressor is intended primarily for 3 to 10 ton vapor-cycle air conditioning systems. Major working section elements include a rotor, a stator, inlet ports, an outlet endplate, and outlet check valves. The helical rotor is driven in...
12/27/2011
8033802Stator casing for eccentric worm pumps
The invention relates to a stator casing for eccentric worm pumps comprising an elastic lining, the cylindrical stator casing having a surface on the inner side, along the longitudinal axis whereof grooves are incorporated. ...
10/11/2011
8007259Stator system
The invention relates to an eccentric screw pump and a method for its operation. Unlike the previously known prior art, where changes to the internal geometry of the pump stator caused by wear were always remedied with radially acting clamping measures, the inventio...
08/30/2011
7909591Eccentric screw pump equipped with erosion-resistant rotor
An eccentric screw pump or an eccentric screw motor has a rotor formed from at least a tubular jacket with at least two layers. The outer layer of the jacket consists of a material that is abrasion-resistant and/or corrosion-resistant. ...
03/22/2011
7905714Progressing cavity pump assembly and method of operation
A progressing cavity pump assembly includes a collar assembly connecting a housing and a tubing string, with the collar having an inside diameter upset and the rotor having a rotor head axially spaced from a rotor helix, with the rotor head having an outer diameter ...
03/15/2011
7896628Downhole motor seal and method
The rotor of a downhole motor includes a mandrel having at least one radial lobe, and an elastomeric tubular sleeve compressed about the mandrel so as to establish frictional engagement therebetween. The sleeve is compressed about the mandrel through one of various ...
03/01/2011
7878774Moineau stator including a skeletal reinforcement
A Moineau style stator includes a helical cavity component having reinforced helical lobes. The lobes are reinforced with a three-dimensional network of physically bonded aggregate particles. The network of bonded aggregate provides a porous skeletal-like structural...
02/01/2011
7871253Stator clamping device for eccentric screw pump
The invention relates to a clamping device which clamps the pump stator with the pump housing and an additional pump end part. The width of the clamping bars is at least 20% of the cross section of the pump stator in order to stabilise the clamping device and the si...
01/18/2011
7837451Non-contact seal for positive displacement capture device
A positive displacement capture device contains a rotor portion positioned inside a casing portion to act as a least area rotor which captures a volume and moves the volume along the length of the separator. The rotor portion contains a plurality of lobes which inte...
11/23/2010
7828533Positive displacement motor/progressive cavity pump
Disclosed is a progressive cavity device. In some embodiments, the device includes a stator with an inner surface having a number of lobes and a rotor disposed within the stator and having a different number of lobes. The stator lobes define a major diameter and a m...
11/09/2010
7780428Fluid-guiding and electric conducting system for suspended electric submersible progressing cavity pump (PCP)
A fluid-guiding and electric conducting system for a suspended electric submersible PCP comprises a fluid-guiding system and an electric conducting system. The fluid-guiding system comprises an upper connector, a protector, a fluid-guiding sleeve, a driving mechanis...
08/24/2010
7618246Eccentric screw pump having conical sealing surfaces
The aim of the invention is to improve the sealing possibilities between the elastic stator lining and corresponding connecting flanges of eccentric screw pumps. In order to increase the sealing surfaces, the stator lining comprises, at least at one of its ends, a c...
11/17/2009
7578663Combined pump with rotodynamic impeller
The combined pump is a novel pumping system for fluids (liquids, gases) and for multiple-phase mixtures. This combined pump comprises a helical rotor on which a rotodynamic impeller is mounted. The helical rotor and impeller turns without touching inside a helical s...
08/25/2009
7553139Progressing cavity pump with wobble stator and magnetic drive
A progressing cavity pump including a drive component configured to be rotated by a motor and a driven component that is magnetically rotationally coupled to the drive component. The driven component is fluidly isolated from the drive component. The pump further inc...
06/30/2009
7553138Rotary screw machine of volume type and method of transforming a motion in a volume screw machine
The invention relates to a rotary screw machine of volume type comprising a body (30) having a main axis X, two members (10, 20), wherein a first one (20) surrounds a second one (10). Said first member (20) is hinged in said body (...
06/30/2009
7517202Multiple elastomer layer progressing cavity stators
A progressing cavity stator and a method for fabricating such a stator are disclosed. The progressing cavity stator includes first and second elastomer layers fabricated from corresponding first and second elastomer materials. The first and second elastomer material...
04/14/2009
7473082Pumping system with progressive cavity pump
Pumping system comprising: a progressive cavity pump comprising a helical rotor inside a helical cavity of an outer stator; motor for driving the rotor, with a motor shaft coaxial to the axis of the stator cavity; and an intermediate shaft coupled, at its ends, by r...
01/06/2009
7465157Compact eccentric screw pump
The invention relates to a compact eccentric screw pump including a sliding articulation. The long-lasting operation of the pump is ensured by a plurality of functions. According to the invention, both the reaction pressure resulting from the transport pressure and ...
12/16/2008
7442019Stator of a moineau-pump
A Moineau stator includes a tube (10) having lobes (3) arranged in a configuration which is adapted to interact with a rotor and formed through a hydroforming process. ...
10/28/2008
7413416Progressing cavity pump
This progressing cavity pump includes a helical rotor (2) mounted to turn inside a helical stator (3). The stator (3) and the rotor (2) are disposed such that the cavities (4) formed therebetween move from the inlet (5) towa...
08/19/2008
7407372Progressing cavity pump or motor
A progressing cavity pump or a motor includes, in one embodiment, an outer tube 12, an inner tube 14, and a plurality of apertures 16. A pair of annular seal glands 18 seal the stator material to the outer tube. The stator material is inj...
08/05/2008
7396220Progressing cavity stator including at least one cast longitudinal section
A progressing cavity stator and a method for fabricating such a stator are disclosed. Exemplary embodiments of the progressing cavity stator include a plurality of rigid longitudinal stator sections concatenated end-to-end in a stator tube. The stator sections are r...
07/08/2008
7393695Collider chamber apparatus and method of use of same
The disclosed apparatus includes a stator and a rotor disposed for rotation within the stator. An inner wall of the stator defines one or more collider chambers. Rotation of the rotor causes movement of fluid disposed between the rotor and stator and establishes a r...
07/01/2008
7354258Stator for an eccentric single-rotor screw pump and method for its production
Stator for an eccentric single-rotor screw pump has a casing made of steel or the like and a helical elastomer lining. Stator and a method for its production are described which can also be made with larger lengths at low production costs. Stator is composed of at l...
04/08/2008
7329106Stator for an eccentric screw pump or an eccentric worm motor operating on the moineau principle
The invention relates to a stator for an eccentric screw pump or an eccentric worm motor, including an outer tube that is provided with a lining of rubber or a rubber-like material and has a hollow space or cavity, in the shape of a double or multiple spiral, for ac...
02/12/2008
7316548Stator for an eccentric screw pump or an eccentric worm motor operating on the Moineau principle
The invention relates to a stator for an eccentric screw pump or an eccentric worm motor having a stator, including an outer tube that is provided with a lining of rubber or a rubber-like material and has a hollow space, in the shape of a double or multiple spiral, ...
01/08/2008
7311011Apparatuses for interaction with a subterranean formation, and methods of use thereof
An access casing assembly structured for placement at least partially within a subterranean formation by forcing the access casing assembly thereinto, comprising a plurality of casing sections operably coupled to form a central elongated cavity for providing access ...
12/25/2007
7270106Free-planetary gear moderated nutating (athena) engine
In a nutating engine (or more generally a rotary displacement device) the cycling of combustion occurs between inner and outer spherical surfaces. The combustion chambers are additionally defined only by the surfaces of teeth of specially designed gears. These gears...
09/18/2007
7249968Electrical connections for harsh conditions
Apparatuses are provided which basically comprise a socket which has at least two contiguous passages formed therein which are adapted to receive exposed wire and/or insulated wire. Bonding materials and crimp joints, alone or in combination, are provided to further...
07/31/2007
7226279Gerotor mechanism for a screw hydraulic machine
The invention relates to gerotor mechanisms for screw downhole motors used for drilling oil and gas wells, to screw pumps for producing oil and pumping fluids and to general purpose screw motors. The profiles of a rotor (3) and stator (1) are outlined ...
06/05/2007
7219752System and method for damping vibration in a drill string
A system for damping vibration in a drill string can include a valve assembly having a supply of a fluid, a first member, and a second member capable of moving in relation to first member in response to vibration of the drill bit. The first and second members define...
05/22/2007
7214042Progressing cavity pump with dual material stator
A progressing cavity pump including a rotor and a stator having an inlet and an outlet. The rotor is rotationally disposed inside of the stator such that rotation of the rotor causes fluid in the pump to be pumped from the inlet toward the outlet in a downstream dir...
05/08/2007
7207381Downhole pump driven by injection water
A method and apparatus for improving the performance of production-injection wells whereby a pump (35), driven by a hydraulic turbine (32) sharing the same central shaft (33, 34), is run and set in an oil-producing well. The oil enters the annul...
04/24/2007
7201222Method and apparatus for aligning rotor in stator of a rod driven well pump
A progressing cavity rod-driven well pump utilizes a tag shoulder above a helical passage of the stator. The pump stator is located at the lower end of a string of tubing. The tag shoulder is more restrictive than a passage through the tubing. A pump rotor is secure...
04/10/2007
7195951Carbon-carbon and/or metal-carbon fiber composite heat spreaders
A heat spreader, comprised of a plurality of carbon fibers oriented in a plurality of directions, with a carbon or metal matrix material dispersed about the fibers, is described. The carbon fibers facilitate the spreading of heat away from the smaller semiconductor ...
03/27/2007
7192260Progressive cavity pump/motor stator, and apparatus and method to manufacture same by electrochemical machining
Electrochemical machining is used to generate the helical lobe profiles of the stator of a progressive cavity pump or motor. A thin, elastomeric liner, of uniform thickness is bonded either to the interior of the stator, or to the exterior of the rotor. Where the el...
03/20/2007
7182170Gerotor and bearing system for whirling mass orbital vibrator
A gerotor and bearing apparatus for a whirling mass orbital vibrator which generates vibration in a borehole. The apparatus includes a gerotor with an inner gear rotated by a shaft having one less lobe than an outer gear. A whirling mass is attached to the shaft. At...
02/27/2007
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