U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6260903

Portable automobile partition

A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 417/353 - Armature within pumping member


Subclass of Class 417 - Pumps
Definition: Apparatus in which the portion of the motor situated within
No. of patents: 62
Last issue date: 05/01/2012


1    
NumberTitleIssue Date
8167582Fan assembly and refrigerator having the same
A fan assembly. The fan assembly includes a rotation shaft, a rotor coupled to the rotation shaft, a stator disposed inside the rotor, and a fan including a hub having a receiving space therein, and a plurality of blades disposed at a circumference of the hub, and c...
05/01/2012
8157539Artificial heart pump
By inserting a protruding portion (8b), which is installed to a center position of a rear end surface (8x) of a fixed body (8), into a hole (4a), which is provided to a center position of an end surface (4x
04/17/2012
8007253Pump and method
A pump for moving a liquid including a rotor rotatable within a housing and slidable relative to the housing between a first axial rotor position during normal pump operation and a second axial rotor position during a pump inoperative condition. ...
08/30/2011
7618241Fuel pump
A fuel pump has a housing defining a cavity. A rotor of an electric motor is carried in the cavity for rotation about a drive axis. An annular pump impeller is supported in the cavity separate from the rotor and is driven by the rotor for rotation about the drive ax...
11/17/2009
7371056Fluid pump, cooling system and electrical appliance
A fluid pump includes a case including a pump chamber, a reserve tank for storing spare liquid and located in the case but outside the pump chamber and formed so that a space independent of the pump chamber is defined by the reserve tank, a fluid path forming member...
05/13/2008
7367787Pumping unit for a liquid medium
A pumping unit is provided with a pump that is partially disposed in a stator of an electric motor. The rotor is at an opposite end from the pump and is connected to the pump shaft to drive it for fluid flow. The pump shaft can be positioned in a central bore of the...
05/06/2008
7319587Electronic apparatus having pump unit
An electronic apparatus includes a housing having a heat generating component, a heat radiating portion which radiates heat generated by the heat generating component, a pump unit having an impeller and a heat receiving portion thermally connected to the heat genera...
01/15/2008
7312986Cooling device for an electronic apparatus
A cooling device comprises a circulation passage through which a liquid coolant flows, and a pump provided in the circulation passage configured to circulate the liquid coolant along the circulation passage. The pump includes, (1) a pump casing including a pump cham...
12/25/2007
7300261Vibration damper with nested turbo molecular pump
A gas turbo pump assembly for connection to a port of a vacuum chamber and having high throughput with low vibration. The assembly comprises a turbo pump and a vibration damper. The pump has a pump body with an external surface and a center axis defining a first axi...
11/27/2007
7280357Pump and electronic device having the pump
In one embodiment of the invention, a pump includes a pump housing, an impeller, and a motor. The pump housing has a pump chamber and a heat receiving plate to couple to a heat generating unit, such as a CPU. The impeller is provided in the pump chamber. The motor c...
10/09/2007
7229255Fan with driving gear
A ceiling fan suspended from a mounting rod and comprising a transverse support. A pair of hanging fans are distally mounted on the transverse support. A motor fixed to the mounting rod and spaced radially therefrom drives a gyro gear about an axis parallel to and s...
06/12/2007
7215546Pump, electronic apparatus, and cooling system
The present invention provides a cooling pump, an electronic apparatus, and a cooling system in which positioning between a heat generating unit and a cooling pump can be achieved easily. The cooling pump according to the invention includes: a rotor having a disk-sh...
05/08/2007
7211915Motor assembly using redundant bearings and support elements
A motor assembly comprises a plurality of redundant bearings, a plurality of coaxial support elements, with at least one of the support elements rotatable about an axis of rotation, and an armature rotatably guided by the plurality of support elements to rotate abou...
05/01/2007
7209355Cooling device and an electronic apparatus including the same
A cooling device for cooling a heat-generating component includes a circulating passage arranged to have coolant circulate therein, a centrifugal pump including a first case made of metallic material, a second case made of resin material, and an impeller accommodate...
04/24/2007
7183680Fan with driving gear
A ceiling fan suspended from a mounting rod and comprising a transverse support. A pair of hanging fans are distally mounted on the transverse support. A motor fixed to the mounting rod and spaced radially therefrom drives a gyro gear about an axis parallel to and s...
02/27/2007
7166950Structure of driving unit in drum type washing machine
Structure of driving unit in a drum type washing machine including a tub mounted inside of a cabinet, a drum mounted inside of the tub, a shaft connected to the drum mounted inside of the tub for transmission of a driving force from a motor to the drum, a front bear...
01/23/2007
7132772Electric fan for vehicle use
The cooling air introducing port 24 is open to a lower portion of an axial direction end portion of the motor housing member 11, 12, the water-proof cover 25 for covering the cooling air introducing port 24 is attached to the outside of t...
11/07/2006
7086843Cooling fan hub assembly
A hub assembly includes an axle having one end mounted fittingly in a metal socket member. A hub body includes a cylindrical wall formed integrally with a base wall and extending uprightly from an inner surface of the base wall, and a coupling tube formed integrally...
08/08/2006
7070398Axial-flow blood pump with magnetically suspended, radially and axially stabilized impeller
A blood pump has an impeller rotatably disposed and magnetically suspended within a cavity of a stator by a plurality of magnetic bearings including an axial bearing to support the impeller axially in the cavity. The axial bearing includes adjacent impeller magnets ...
07/04/2006
7066721Ceiling fan motors
An inside-out ceiling fan motor has a stator mounted to a downrod with an annular array of stator coils positioned about a rotor axis of rotation. A rotor is rotatably mounted about the stator. The rotor has a plurality of vanes spaced along the rotor periphery and ...
06/27/2006
7021905Fluid pump/generator with integrated motor and related stator and rotor and method of pumping fluid
A fluid pump integrated with a motor, a fluid pump/generator device, a rotor for a fluid pump/generator device, a stator for a fluid pump/generator device and a method for pumping fluid are disclosed. Specifically, a fluid pump includes a motor rotor having a plural...
04/04/2006
6999840Vacuum pump
A vacuum pump (10) includes a control device (20) for processing operational data and operational instructions. Further, the vacuum pump (10) includes a touch screen (40) serving as display for displaying the operational data callable fro...
02/14/2006
6963151Composite lamina arrangement for canning of motors
In the embodiments described in the specification, an electric motor has a stator and a rotor and a wrap layer includes composite lamina arrangement containing a liquid barrier with a veil cloth and a chopped strand mat resin layer, a strength element containing a h...
11/08/2005
6942471Electric fan with strain relief connection
A fan has a hub and a fan housing connected to the hub. The fan housing delimits an air passage of the fan outwardly. A fan wheel is connected to the hub and rotatably arranged in the air passage. A motor is arranged on the hub for driving the fan wheel. An electric...
09/13/2005
6939113Fan with increased air flow
A fan with increased air flow having a casing in which an air passage hole is formed. A motor is connected to this casing and is held in the center of the air passage hole by a motor base positioned within the air passage hole. Multiple blades are rotated by the mot...
09/06/2005
6916160Axial electric fan blower with electric components housing sealed from moisture, dirt and dust or other harmful gas
The object of the present invention is to provide a blower in which electrical components such as printed circuit board or electronic parts are isolated from the wind flowing through the blower to protect these components from moisture, dirt, dusts, or other harmful...
07/12/2005
6908291Corrosion-resistant impeller for a magnetic-drive centrifugal pump
An impeller for a magnetic-drive centrifugal pump includes a core for supporting a magnetic assembly of magnets. An inner barrier covers at least part of the magnets. The inner barrier hermetically isolates the magnetic assembly within the impeller. For example, in ...
06/21/2005
6866488Compact molecular-drag vacuum pump
A molecular drag vacuum pump for pumping a gas from an inlet to an outlet includes a high-speed spinning disk disposed within a housing. Gas flows through passageways in the housing adjacent the disk, where it comes into contact with surfaces of the spinning disk. C...
03/15/2005
6846168Pump with an electrodynamically supported impeller and a hydrodynamic bearing between the impeller and the stator
A pump includes an impeller, a stator, and a plurality of magnets forming bearing poles coupled to a selected one of the stator or the impeller. The pump further includes a plurality of shorted coils coupled to the other of the stator and the impeller. The plurality...
01/25/2005
6830440External rotor brushless DC motor
An external rotor brushless DC motor for use in a fan, or other similar application, the motor including a stator assembly base having a base plate, a number of stator windings affixed to the stator base, and circuitry associated with the motor, wherein the base pla...
12/14/2004
6808371Ultra-thin pump and cooling system including the pump
An ultra-thin pump of the present invention includes a ring-shaped impeller including many vanes arranged along its outer region and a rotor magnet at its inner region, a motor stator provided in a space encircled by an inner peripheral surface of the rotor magnet o...
10/26/2004
6644938Turbo molecular pump
The present invention provides a turbo molecular pump capable of suppressing temperature rise in an electronic circuit section within a range, without losing airtight property thereof with a simple construction. In a base section of a turbo molecular pump...
11/11/2003
6641378Pump with electrodynamically supported impeller
A pump includes an impeller, a stator, and a plurality of permanent magnets forming bearing poles coupled to a selected one of the stator or the impeller. The pump further includes a plurality of shorted coils coupled to the other of the stator and the im...
11/04/2003
6585498Motor-pump unit with pump shaft pinion enmeshed with motor rotor
A motor-pump unit including an electric motor and a pump. The pump is concentrically surrounded by the rotor/stator of the motor. The rotor of the electric motor is U-shaped, viewed in an axial section. The cross-piece of the "U", in the region of the com...
07/01/2003
6575713Vaccum pump
There is provided a vacuum pump which suppresses the propagation of vibrations to an external container without the use of a damper. The vacuum pump has an outer cylindrical portion, a rotor portion and a stator portion accommodated within the outer cylin...
06/10/2003
6454547Delivery unit
A delivery unit which is provided for feeding motor-vehicle fuel has an electric motor (1) with vanes (1) arranged on the lateral surface of a rotor (4). During rotation of the rotor (4), the vanes (11) feed the fuel in a pump channel (19) between the rot...
09/24/2002
5986366Rotor for a dynamoelectric machine
A rotor (10) is provided for a dynamoelectric machine. The rotor (10) includes a rotor shaft (12) and a laminated core (14). The rotor shaft (12) is adapted to mount the rotor (10) for rotation about an axis (13) of rotation in a dynamoelectric machine. T...
11/16/1999
5931660Blower for gas premix burners
A gas premix burner in which gas and air are mixed in a suction region of an impeller to form a combustion mixture. The impeller is associated with a blower housing and an electronic control circuit board, all of which are arranged upstream in a blower ch...
08/03/1999
5649811Combination motor and pump assembly
A combination motor and pump assembly comprising a housing, a shaft rotaty mounted in the housing, and an impeller fixed to the shaft in the housing, said impeller comprising alternately magnetically polarized portions. The assembly further comprises sta...
07/22/1997
5650678Brushless DC motor and bearing holding therefor
A bearing holder capable of holding therein a pair of bearings while keeping axes of the bearings to be positively aligned with each other and minimizing stress applied to the bearings. The bearing holder which is made of plastic resin and in which the be...
07/22/1997
1    
 
Sign InRegister
Username  
Password   
forgot password?