Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 8167584 | Modular compressor unit The invention relates to improvements in compressor units, and in particular to a modular compressor unit which has separate sections for the compressor, the controls and the air intake. The modular compressor unit comprises three separate adjoining sections, being ... | 05/01/2012 |
| 8157542 | Brushless motor fuel pump with control electronics arrangement The invention relates to a fuel conveying device for conveying fuel towards an internal combustion engine. The fuel conveying device comprises a housing and a head connected to the housing. Further, a fuel pump is provided, having an electronically commutated brushl... | 04/17/2012 |
| 8152488 | Blower A blower for a vacuum cleaner has a diffuser with an increased efficiency by coupling the attack angle A of the diffuser vanes with the attack angle B of the return guide vanes where angle A is between 4° and 6° and angle B is between 6° and 20°. ... | 04/10/2012 |
| 8128381 | Electric motor and electropump An electric motor comprising a stator of the type having polar expansions of the wound type, a rotor chamber defined by a sealed case, closed by a sealing ring, a permanent magnet rotor, housed inside the rotor chamber and a shaft connected to the rotor. The electri... | 03/06/2012 |
| 8105053 | Turbocharger A turbocharger includes a housing, and a turbine shaft supported in a center hole in the housing through rolling bearings. A tank portion for storing lubrication oil is formed in the housing, and the lubricating oil is supplied from the tank portion to the rolling b... | 01/31/2012 |
| 8096782 | Multistage sealed coolant pump A multistage sealed pump is provided for use in an X-ray tube cooling system which is substantially more efficient than pumps of known construction and which provides substantially higher pumping pressure at lower motor current than conventionally. Cooling liquid ca... | 01/17/2012 |
| 8096783 | Apparatus for delivering a regulated supply of a gas, particularly respiratory assistance apparatus An apparatus (1) includes a housing (2), an air feed duct (21) a volute (5), an impeller (4), and a motor (3) for driving the rotation of the impeller (4) so as to generate a centrifugal air flow in the volute (5 | 01/17/2012 |
| 8079829 | Submerged DC brushless motor and pump An in-line motor and pump assembly is supported at the bottom of a fuel storage tank by a pipe and an internal concentric conduit for housing electrical conductors extending therewithin to the motor. An impeller, coaxial with the rotor of the motor, draws the fuel i... | 12/20/2011 |
| 8016572 | Pump with axial conduit In one aspect, a pump for moving air includes an inlet, an outlet, an outer housing adapted to couple to an inflatable device, and an inner housing located within the outer housing. An air conduit is defined between the inner housing and the outer housing. A motor i... | 09/13/2011 |
| 7976291 | Motor cooler A cooling fan includes an outer housing. A motor support is fixed to the outer housing and a motor is mounted to the motor support. A hub is coupled to the motor and, with the motor support, forms a motor enclosure that substantially surrounds the motor. Multiple bl... | 07/12/2011 |
| 7942646 | Miniature high speed compressor having embedded permanent magnet motor A high speed centrifugal compressor for compressing fluids includes a permanent magnet synchronous motor (PMSM) having a hollow shaft, the being supported on its ends by ball bearing supports. A permanent magnet core is embedded inside the shaft. A stator with a win... | 05/17/2011 |
| 7855882 | Fan unit and methods of forming same The described embodiments relate to fan units. One exemplary fan unit includes a housing supporting a motor. The fan unit also includes an impeller coupled to the motor and configured to be rotated by the motor. The impeller comprises at least a first structure conf... | 12/21/2010 |
| 7845917 | Electric blower An electric blower includes a motor having a stator on which field windings are wound, a rotor facing the stator, and a bracket covering the stator and the rotor. The electric blower further includes a fan mounted to a shaft coupled to the rotor, and an air guide ha... | 12/07/2010 |
| 7819639 | Cooling device for piston machinery The invention relates to a cooling device for a compressor 100 which is provided with an intermediate heat exchanger 112 and an output heat exchanger 102 for cooling of compressed gas. The cooling device is enclosed by a jacket 200. The j... | 10/26/2010 |
| 7811068 | Methods and apparatus for transporting natural gas through a pipeline A compressor assembly for use in transporting natural gas is provided. The assembly includes a natural gas compressor comprising at least one stage of compression, a permanent magnet-type super-synchronous motor coupled to the natural gas compressor for powering sai... | 10/12/2010 |
| 7758320 | Two-stage hydrodynamic pump and method A two-stage pump having an internal fluid pathway or cycle for providing cooling to various parts in the pump, such as, an electric motor in the pump, and also for lubricating at least one or a plurality of bearings in the pump. The pump utilized hydrodynamic bearin... | 07/20/2010 |
| 7621722 | Rotor of compressor A rotor of a compressor includes a stack having a plurality of symmetrical flux barriers and gaseous refrigerant passages formed at sides of the flux barriers, a pair of end covers mounted on the upper and lower sides of the stack, and an oil scattering prevention d... | 11/24/2009 |
| 7575421 | Integral motor cooling and compressor inlet A compressed air unit is provided having a motor housing with a main motor housing having a cavity. A motor is arranged within the cavity and a compressor rotor is connected to the motor. A cooling duct is integral with and extends from the main housing body. The co... | 08/18/2009 |
| 7513755 | Submerged motor and pump assembly An in-line motor and pump assembly is supported at the bottom of a fuel storage tank by a pipe and an internal concentric conduit for housing electrical conductors extending therewithin to the motor. An impeller, coaxial with the rotor of the motor, draws the fuel i... | 04/07/2009 |
| 7497669 | Wesco type fuel pump To make a Wesco type fuel pump to supply pressure-increased fuel toward a fuel injection valve with no time delay at a time of restarting an engine, an impeller (8) which is rotated by an electric motor (M) arranged within a motor chamber (9) is arrang... | 03/03/2009 |
| 7425119 | Electrical charge air compressor provided with an integrated air cooling system The invention relates to a device to compress combustion air, in particular a device to compress combustion air for a combustion engine of a motor vehicle, with a housing (12), with at least one compressor impeller (30) arranged in a compression area (... | 09/16/2008 |
| 7413417 | Motor vehicle drive arrangement In a motor vehicle drive arrangement oil is supplied to a drive gear mechanism and other drive elements by an oil pump which is driven only by an electric motor and is arranged in a space in which one or more torque transmission devices such as a hydrodynamic torque... | 08/19/2008 |
| 7374408 | Engine cooling fan motor with reduced water entry protection An engine cooling fan motor has a water baffle positioned in a water line of sight passage through structures surrounding the motor to prevent water from impacting on the air vents at the front end of the motor. The baffle blocks the water line of sight passage. In ... | 05/20/2008 |
| 7371058 | Oil feeding propeller of scroll compressor An oil feeding propeller of a scroll compressor for preventing deterioration of oil feeding generated when a rotation shaft is rotated in reverse is disclosed. The propeller is tightly fitted into the lower side of the oil passage of the rotation shaft, sucks oil in... | 05/13/2008 |
| 7367201 | Air conditioning fan An air conditioning fan apparatus including a ceiling fan unit, an air conditioning unit and a motor unit, all suspended as an integral device to a ceiling inside a user's home or office. The ceiling fan unit includes a multiplicity of fan blades each having evapora... | 05/06/2008 |
| 7367354 | Check valve A check valve includes a housing formed with a valve hole through which fluid flows, a valve seat formed on the peripheral wall of the valve hole, a valve element disposed in the valve hole to be movable between a valve closed position where the valve element makes ... | 05/06/2008 |
| 7367190 | Supercharger with electric motor In a supercharger (10) with an electric motor in accordance with the present invention, the electric motor (20) is arranged at a position adjacent to a compressor impeller (6), a center housing (14) has a cooling fluid flow path (34 | 05/06/2008 |
| 7363882 | Condensation removal for use with a draft inducer A condensation removal apparatus is disclosed. The condensation removal apparatus is used with a hot water heater wherein the hot water heater produces a fuel exhaust. The fuel exhaust from the hot water heater is provided to a draft inducer through an inlet which i... | 04/29/2008 |
| 7360361 | Turbocharger An electrically controlled turbocharger having a substantially vertically oriented shaft interconnecting a turbine and a compressor. The vertical orientation serves to eliminate the effects of gravity on the rotating components. Placing the turbine vertically above ... | 04/22/2008 |
| 7360432 | Apparatus for detecting pressure The present invention relates to apparatuses for detecting fuel pressure in internal combustion engines. The invention especially relates to internal combustion engine applications in which fuel reaches a high pressure. The apparatus according to the invention is a ... | 04/22/2008 |
| 7356996 | Apparatus and method for holding a cryogenic fluid and removing cryogenic fluid therefrom with reduced heat leak The apparatus comprises a double walled vacuum insulated vessel defining a cryogen space for holding a cryogenic fluid, a pump assembly comprising a pump with a suction inlet disposed within the cryogen space, and at least one elongated member extending from the pum... | 04/15/2008 |
| 7354244 | Blower and method of conveying fluids A blower for a water heater having a flue defining a flue axis. The blower includes a housing at least partially defining a first chamber and a second chamber and having an inlet opening into the first chamber and an outlet communicating between the second chamber a... | 04/08/2008 |
| 7350509 | Delivery unit The invention relates to a delivery unit (2) comprising a swirl pot (5), a fuel pump (6) placed therein, and a filter, which is placed on the bottom (7) of the swirl pot (5) and which is radially flowed against. This filter is form... | 04/01/2008 |
| 7347186 | High-pressure pump for a fuel, with sump in communication with the fuel The pump (7) is provided with a body (16) having a compartment (17), and with at least one pumping element (13) that moves in a cylinder (12) in communication with the compartment (17), to raise the pressure of the fuel. The... | 03/25/2008 |
| 7347674 | Pump A fluid pump of the type in which a housing assembly has a first sub-housing having an electric motor therein which is in line with a second sub-housing having the impeller therein, with the motor having a rotor shaft which extends through a seal of the first sub-ho... | 03/25/2008 |
| 7342332 | Air bearing and motor cooling A motor includes a housing including separate motor and bearing cooling inlets. A motor is arranged within the housing and includes a stator and rotor assembly that is supported on air bearings. The motor cooling inlet is in fluid communication with the stator, and ... | 03/11/2008 |
| 7338261 | Hybrid compressor A hybrid compressor includes a first compression mechanism, which is driven by a first drive source, and a second compression mechanism, which is driven by a second drive source, and a second radial axis of a second housing of the second compression mechanism is off... | 03/04/2008 |
| 7338262 | Downhole compressor A downhole dynamic compressor comprises an electric motor having a stator 6 with stationary windings and an armature with permanent magnets 7 supported on gas bearings 9, 10 for rotation relative to the stator. The gas bearings 9 and 1... | 03/04/2008 |
| 7334543 | Coolant pump, especially electric convection-cooled coolant pump with integrated directional control valve, and corresponding method A coolant pump and method thereof for a coolant circuit of the internal combustion engine of a motor vehicle including at least a radiator circuit and a bypass circuit is disclosed. The coolant pump contains a coolant pump housing (14) which is provided with ... | 02/26/2008 |
| 7331773 | Pump provided with exhaust valve device and hemodynamometer incorporating the same A diaphragm is provided in a pump case so as to define a pump chamber communicated with an external member having an air chamber. A motor actuates the diaphragm to introduce air into the pump chamber and to supply the introduced air to the air chamber. An exhaust va... | 02/19/2008 |
