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Fluid Machine

Fluid Machine-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Fluid machine having a labyrinth seal
Danfoss Commercial Compressors
June 07, 2018 - N°20180156337

The fluid machine includes a stationary member (6), a rotary member (5) and a labyrinth seal (9) including a succession of stationary steps (11) formed on the stationary member (6), and a succession of rotary steps (14) formed on the rotary member (5). The labyrinth seal (9) further includes a plurality of stationary recesses (18) each formed in a radial wall portion (12) of a respective stationary step (11), and a ...
Runner for a fluid machine having removable blades
Dynavec As
June 07, 2018 - N°20180156183

A runner is for a fluid machine. The runner includes a runner hub and one or more curved blades.
Assembly of lubrication system for fluid machinery
Industrial Technology Research Institute
May 10, 2018 - N°20180128366

An assembly of a lubrication system for fluid machinery includes a transmission shaft, an oil-injection insulating ring and a labyrinth ring. The transmission shaft defines axially power and passive sides.
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Fluid machine for vehicle
Kabushiki Kaisha Toyota Jidoshokki
March 29, 2018 - N°20180087511

A fluid machine for a vehicle includes a rotary shaft, an electric motor having a coil, a drive circuit, and a housing having therein a motor chamber and a circuit chamber. The housing includes a partitioning wall partitioning between the motor chamber and the circuit chamber and a peripheral wall extending from the partitioning wall.
Fluid machine including diffuser
Advanced Design Technology Ltd.
March 22, 2018 - N°20180080471

In a fluid machine, there is provided each diffuser flow passage for making uniform a flow in a downstream of a diffuser. The fluid machine is provided, and it has the diffuser for converting kinetic energy of a fluid into pressure energy.
Scroll fluid machine
Mitsubishi Heavy Industries Automotive Thermal Systems Co., Ltd.
March 01, 2018 - N°20180058451

A scroll fluid machine includes a pair of a fixed scroll (15) and an orbiting scroll (16). The scroll fluid machine has an one-side stepped scroll structure in which a stepped part (16e) is provided only at a predetermined position on a tooth bottom surface (16d) of a involute spiral wrap (16b) of one of the fixed scroll (15) and the orbiting scroll (16) ...
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Fluid Machine Patent Applications
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Geared fluid machine
Eckerle Industrie-electronik Gmbh
February 01, 2018 - N°20180030982

A geared fluid machine has a machine housing and first and second intermeshing gearwheels that are rotatably mounted in the machine housing with respect to an axis of rotation and are arranged at least partially contacting by their end faces. At least one axial washer is arranged in the machine housing with axial play and has on a distal side ...
Scroll fluid machine
Mitsubishi Heavy Industries Automotive Thermal Systems Co., Ltd.
December 28, 2017 - N°20170370219

One of a pair of a fixed scroll and an orbiting scroll is the scroll including a step portion provided only at a predetermined position along a spiral direction on a blade bottom surface of a spiral wrap, and the other one of the scrolls is the scroll including a step portion provided only at a predetermined position along a ...
Free rotary fluid machine
December 07, 2017 - N°20170350250

There is provided a free rotary fluid machine including: a main body which is provided in a hollow cylindrical shape, and has an elliptical inner circumferential surface; a rotor which is provided in the main body, and rotates about the same rotation center as the main body; tip seals which are provided at one side of the rotor so as ...
Scroll fluid machine
Mitsubishi Heavy Industries Automotive Thermal Systems Co., Ltd.
November 30, 2017 - N°20170342837

In a scroll fluid machine, a thinned section (26) is provided in correspondence with a position at which the wrap height of a spiral wrap (15b, 16b) changes due to a step part. The thinned section (26) is provided on the front-side surface or the rear-side surface of a tooth tip section of at least one of the spiral wraps (15b, 16b) ...
Shaft seal arrangement for a fluid machine and method for sealing a shaft of a ...
Eagleburgmann Germany Gmbh & Co. Kg
November 23, 2017 - N°20170335966

The invention relates to a shaft seal arrangement, comprising a first seal, a second seal and a third seal which are arranged in series between a product side to be sealed and an atmosphere side, wherein the second seal is arranged between the first seal and the third seal, wherein a first pressure is present in a space adjacent to ...
Fluid machine with plasma actuator
National Institute Of Advanced Industrial Science And Technology
November 16, 2017 - N°20170326989

A fluid machine includes a rotary blade, a casing configured to house the rotary blade therein, and an insulation coated conductor attached within a recess circumferentially provided in an inner circumference of the casing opposed to an outer end of the rotary blade, the insulation coated conductor including a conductive wire and an insulation material coating. The dielectric barrier discharge ...
A fluid motor and a fluid pump
Genius Velo Limited
November 09, 2017 - N°20170320542

A fluid machine for a pneumatic or hydraulic drive system, said fluid machine being able to work as a fluid motor or as a fluid pump, comprising: at least two piston assemblies each comprising a piston means (110a-c), the at least two piston assemblies being operable to cause sequential reciprocating movement of the pistons means (110a-c); a drive member (120) rotatable ...
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Fluid Machine Patent Applications
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Impeller, centrifugal fluid machine, and fluid device
Mitsubishi Heavy Industries Compressor Corporation
October 26, 2017 - N°20170306971

An impeller is provided with: a disk rotating about an axis; and a plurality of blades provided on the disk at intervals in a circumferential direction about the axis. Thicknesses of the blades gradually decrease from a disk side toward a tip side, and a decrease rate of the thicknesses gradually decreases from the disk side toward the tip side..
Fluid machine
Kabushiki Kaisha Toyota Jidoshokki
October 05, 2017 - N°20170288512

A fluid machine includes a housing including a suction port through which fluid is drawn, an electric motor accommodated in the housing, and a drive device configured to drive the electric motor. The drive device includes a circuit board, a heat-generating component, and a metal member.
Inverter controller and on-vehicle fluid machine
Kabushiki Kaisha Toyota Jidoshokki
September 28, 2017 - N°20170279393

An inverter controller is used to control an inverter circuit that drives an electric motor including a rotor and a stator. The inverter controller includes a voltage detector configured to detect input voltage, a current detector configured to detect motor current, an instruction value calculation unit configured to calculate an instruction value based on an external instruction value and a ...
Motor-driven fluid machine
Kabushiki Kaisha Toyota Jidoshokki
September 28, 2017 - N°20170279325

A motor-driven fluid machine has three motor wires. The innermost one of the three motor wires in the radial direction of a rotary shaft on a specific section of an outer end portion of a coil end is defined as a first motor wire.
Fluid machine
Kabushiki Kaisha Toyota Jidoshokki
September 28, 2017 - N°20170276136

A fluid machine includes a housing, an electric motor, a drive circuit that includes a heat-generating component and drives the electric motor, a cover that defines an accommodation chamber, which accommodates the drive circuit, with the housing, and a fastener that fastens the cover to the housing. The cover is configured to press the heat-generating component or a heat transfer ...
In-vehicle inverter device and in-vehicle fluid machine
Kabushiki Kaisha Toyota Jidoshokki
September 28, 2017 - N°20170274735

An in-vehicle inverter device includes a noise reduction circuit, which has a common mode choke coil configured to reduce common mode noise and normal mode noise contained in dc power, and an inverter circuit, which receives the dc power in which the noise has been reduced. The noise reduction circuit includes: an input-side capacitor and an input-side resistor provided on ...
Scroll fluid machine
Sanden Holdings Corporation
September 21, 2017 - N°20170268340

Scroll fluid machine (1) in which the dislodgement of a slide bush (56) and a spring (61), which are provided in an eccentric bush (36), is prevented. Provided in receiving hole (58) of eccentric bush (36) are slide bush (56), which is movable in the direction of eccentricity, and spring (61), which biases slide bush (56) in a moving direction.
Scroll fluid machine
Hitachi Industrial Equipment Systems Co., Ltd.
August 17, 2017 - N°20170234130

The purpose of the present invention is to provide a scroll fluid machine, the reliability of which is ensured and which can be manufactured with high productivity. The present invention provides a scroll fluid machine comprising: a stationary scroll having a spiral wrap upstanding therefrom; an orbiting scroll provided facing the stationary scroll and orbiting; a casing provided outside the ...
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