Nagoya, Japan
Nagoya, Japan

Chubu Electric Power Co., Inc. , abbreviated as Chuden in Japanese, is a Japanese electric utilities provider for the middle Chūbu region of the Honshu island of Japan. It provides electricity at 60 Hz, though an area of Nagano Prefecture uses 50 Hz. Chubu Electric Power ranks third among Japan’s largest electric utilities in terms of power generation capacity, electric energy sold, and annual revenue. It is also one of Nagoya's "four influential companies" along with Meitetsu, Matsuzakaya, and Toho Gas. Recently, the company has also expanded into the business of optical fibers. On January 1, 2006 a new company, Chubu Telecommunications, was formed. Wikipedia.


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News Article | April 25, 2017
Site: www.businesswire.com

MOUNTAIN VIEW, Calif. & NAGOYA, Japan--(BUSINESS WIRE)--Bidgely and leading Japanese utility Chubu Electric Power are working together to become the first to bring residential disaggregation technology to Japan. The partnership is part of an enhanced customer engagement strategy underway at Chubu that seeks to incorporate innovative digital technologies into the utility’s service offerings. Chubu is looking for ways to use smart meter data to develop new services for its consumers and believe t


Patent
Tokyo Electric Power Company, Chubu Electric Power Co., Kansai Electric Power Co., Kabushiki Kaisha Kobe Seiko Sho, Danish Technological Institute DTI and Johnson Controls | Date: 2013-01-23

A refrigerator is capable of maintaining a lubricant supply to a compressor and is environment-friendly and simply configured. The refrigerator includes: a cooling-water line 14 having a cooling-water pump 18 to thereby send water for cooling a refrigerant inside of a condenser 6; a lubricating-water supply line 32 connecting the part downstream from the cooling-water pump 18 on the cooling-water line 14 and a compressor 4 and supplying water flowing through the cooling-water line 14 as a lubricant to the compressor 4; and a backup means 60 supplying water to the lubricating-water supply line 32 instead of supplying water from the cooling-water line 14 when the cooling-water pump 18 is not driven.


Patent
Tokyo Electric Power Company, Chubu Electric Power Co., Kansai Electric Power Co., Kabushiki Kaisha Kobe Seiko Sho, Danish Technological Institute DTI and Johnson Controls | Date: 2013-01-23

An axial flow compressor 10 includes: a rotor 31 having a rotor vane 34; a first pressing member 41 joined to one end surface of the rotor 31; a second pressing member 42 joined to the other end surface of the rotor 31; a rotor shaft portion 46 penetrating the first pressing member 41, the rotor 31 and the second pressing member 42; and a nut 43 which fixes the first pressing member 41 and the second pressing member 42 on the rotor shaft portion 46 with the first pressing member 41 and the second pressing member 42 holding the rotor 31 between. The rotor shaft portion 46 is made of a material having a lower linear expansion coefficient than that of a material making at least a part of the rotor 31. The material making at least a part of the rotor 31 may be aluminum or aluminum alloy.


Patent
Tokyo Electric Power Company, Chubu Electric Power Co., Kansai Electric Power Co., Kabushiki Kaisha Kobe Seiko Sho, Danish Technological Institute DTI and Johnson Controls | Date: 2013-01-23

An axial flow compressor 10 includes: an electric motor 22 including a rotating shaft 22a; a compression portion 20 including a driving shaft 40 connected without a speed-up gear to the rotating shaft 22a of the electric motor 22 and a rotor 31 rotating together with the driving shaft 40, the compression portion 20 driving the driving shaft 40 and thereby compressing a working fluid; and a velocity reducing portion 24 having a space for reducing the flow velocity of a working fluid discharged from a discharge opening of the compression portion 20. The rotating shaft 22a of the electric motor 22 is connected to the end of the driving shaft 40 on the side of the discharge opening; and the velocity reducing portion 24 is disposed so as to surround the electric motor 22.


Patent
Kabushiki Kaisha Kobe Seiko Sho and Chubu Electric Power Co. | Date: 2013-03-27

A power recovery system is provided which is capable of stabilizing the power recovery rate thereof. The power recovery system 1 includes: a Stirling engine 10 that generates power by supply of cold heat to an upper portion 16a of a cylinder 16; and a vaporization device 20 that stores a liquid therein in such a manner that the liquid is kept in contact with the upper portion 16a of the cylinder 16 and vaporizes the liquid by supplying the cold heat of the liquid to the upper portion 16a of the cylinder 16. The vaporization device 20 includes a liquid container 21 which stores the liquid therein in such a manner that the liquid is kept in contact with the upper portion 16a of the cylinder 16, and an outer container 22 embracing the liquid container 21 and defining a space portion 30 around the liquid container 21. The space portion 30 communicates with the liquid container 21 and an exhaust vent 22a. Gas vaporized in the liquid container 21 passes between the liquid container 21 and an outer wall surface 23 a of a heat insulating material 23 during passage thereof from the liquid container 21 to the exhaust vent 22a through the space portion 30.


A vaporization method includes a preparing step of preparing a vaporizing tube that covers at least a part of a heat exchange unit for cold energy of a Stirling engine and is capable of forming an ascending flow of the liquid flowing from a bottom to a top of the heat exchange unit for cold energy, and a vaporizing step of feeding the liquid in the vaporizing tube to thereby form the ascending flow and bringing the liquid into contact with the Stirling engine to vaporize the liquid. In the preparing step, a flowing direction of the ascending flow is adjusted to suppress occurrence of separated flows of the liquid and gas in the vaporizing tube. In the vaporizing step, the liquid is fed at a flow velocity at which a gas-liquid two-phase flow in which the liquid and the gas are mixed is formed in the vaporizing tube.


Patent
TOKYO Electrical POWER COMPAY INCORPORATED, Chubu Electric Power Co., Johnson Controls, Kobe Steel, Danish Technological Institute DTI and Kansai Electric Power Co. | Date: 2012-04-13

The condensing apparatus 71 includes: a compressor 10 which has a compression part 20 compressing a working fluid; a condenser 13 which condenses the working fluid compressed by the compression part 20; and a spray mechanism 81 including a nozzle 82 which sprays a cooling fluid into a fluid passage 91 to cool the working fluid flowing through the fluid passage 91 between a discharge opening CS2 of the compression part 20 and an inlet 13a of the condenser 13.


Patent
Tokyo Electric Power Company, Chubu Electric Power Co., Kansai Electric Power Co., Kobe Steel, Danish Technological Institute DTI and Johnson Controls | Date: 2014-03-05

The condensing apparatus 71 includes: a compressor 10 which has a compression part 20 compressing a working fluid; a condenser 13 which condenses the working fluid compressed by the compression part 20; and a spray mechanism 81 including a nozzle 82 which sprays a cooling fluid into a fluid passage 91 to cool the working fluid flowing through the fluid passage 91 between a discharge opening CS2 of the compression part 20 and an inlet 13a of the condenser 13.


Patent
Chubu Electric Power Co. | Date: 2014-04-04

To provide a food material cutter by which any operator can easily, accurately and rapidly slice ring-shaped and disk-shaped food materials such as doughnuts and bagels in half regardless of the degree of skill of the operator. The food material cutter of the present invention comprises a feeding port for feeding a doughnut, titled plates and guiding plates for guiding the fed doughnut, and rotary blades for slicing the guided doughnut in half in the thickness direction. Also, the link mechanism causes the tilt angles of the tilted plates to be increased due to the own weight of the doughnut, and causes the guiding plates to move by an equal distance from the center of the clearance between the respective guiding plates while matching with the thickness of the doughnut. The doughnut, when fed from the feeding port, is guided by the titled plates and guiding plates, and falls down to the palette in a state where it is sliced in half in the thickness direction.


Patent
Furukawa Electric Group and Chubu Electric Power Co. | Date: 2014-11-05

Provided are a method for manufacturing a superconducting wire material in which the superconducting current is not saturated even when a superconducting layer is made into a thick film, and a superconducting wire material. A method for manufacturing a superconducting wire material (1) in which a superconducting layer (13) is formed on a metal substrate (11) interposed by an intermediate layer (12), wherein the method for manufacturing the superconducting wire material is characterized in including a heating step for heating the metal substrate (11) up to the film-formation temperature of a superconducting film for forming the superconducting layer (13), a film-formation step for forming a superconducting film having a film thickness of at least 10 nm and no more than 200 nm on the intermediate layer (12), and a cooling step for reducing the metal substrate (11) temperature to a level below the film-formation temperature of the superconducting film, the method also being characterized in that the superconducting film-formation steps, comprising the heating step, the film-formation step, and the cooling step, are performed a plurality of times.

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