Mitsubishi Electric Corporation

Shingo Kingetsu

Fumio Matsumoto

Wataru Yamada

Kiyonori Koga

Koji Kawashima

Hideaki Maeda

Shinichi Kimata

Masahiro Kondo

Taishi Hamasaki

Hidenori Nagahama

This rotating electric machine includes: a rotor having a shaft; a stator formed around the rotor; a seal ring formed around the shaft and having a plurality of through holes; a gland seal formed so as to surround the seal ring and having an oil feed port; and a partition plate formed between the seal ring and the gland seal, wherein the partition plate is formed at a position opposed to the oil feed port and is fixed to an upper wall and a lower wall in an axial direction of the gland seal, and the partition plate has a reinforcing plate at such a position as not to obstruct the oil feed port, the reinforcing plate being fixed to a side wall of the partition plate on a gland seal side and being in close contact with a circumferential wall of the gland seal.

Rotating electric machine and rotating electric machine production method

Gas coolers one of which is housed in a gas cooler chamber provided at an upper portion of a casing and installed near an opening of the casing above each stator coil end, are provided. A gas circulation passage is formed in which a cooling gas circulates through a space A provided at an intake side of each fan&#x2192;a space B surrounding the fan&#x2192;the gas cooler chamber&#x2192;the gas cooler&#x2192;a space C including the stator coil end&#x2192;a gap between a rotor and a stator and gas passages formed in the rotor and the stator&#x2192;a space D between an outer periphery of the stator and the casing&#x2192;the space A.

Rotary electric machine having gas coolers

In a rotating electric machine with shaft-seal devices mounted thereon, an object to provide them is to uniformize a temperature distribution of a sealing ring with a simple structure. The rotating electric machine with the shaft-seal devices mounted thereon includes a rotor having a shaft; a stator disposed in a circumferential surrounding of the rotor; a sealing ring having a plurality of through holes formed therein, being disposed in a circumferential surrounding of the shaft; a gland seal having an oil supply opening therein, for enclosing a circumferential surrounding of the sealing ring; a partition plate disposed between the sealing ring and the gland seal; and a housing on which the gland seal is fixed, for accommodating the rotor and the stator.

Rotating electric machine with shaft-seal devices having partition plate

A journal bearing, in which a lower half carrier ring is disposed on the outer peripheral side of a horizontally installed rotating shaft, and an upstream side pad and a downstream side pad are disposed on the inner side of the lower half carrier ring, includes an upstream side oil supply portion and downstream side oil supply portion which supply lubricant oil to the upstream side pad and downstream side pad, the bearing being characterized in that the supply quantity of lubricant oil supplied from downstream side oil supply nozzles of the downstream side oil supply portion is adjusted so as to be less than the supply quantity of lubricant oil supplied from upstream side oil supply nozzles of the upstream side oil supply portion.

Journal bearing

Turbine generator

Growing community of inventors

Tokyo, Japan

Shingo Kingetsu