Patents by Inventor Mutsuyoshi Kawahira

Mutsuyoshi Kawahira has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for assembling a sealed type motor-operated flow control valve
    Patent number: 4703545
    Abstract: A sealed type motor-operated flow control valve comprises a valve body including two passages and a valve port connecting the two passages and formed with a valve seat, a valve member provided on the body so as to be movable between a closed position and an open position, a rotor having a rotating shaft one end of which is coupled to that end portion of the valve member more distant from the valve seat, the rotor being supported by the body so as to be rotatable in the circumferential direction of the shaft, a casing including a first half member hermetically coupled to the body and a second half member adjoining the first half member in a direction along the shaft of the rotor and hermetically coupled to the first half member, the respective inner surfaces of the first and second half members defining a sealed space to contain the rotor therein, a stator disposed in the casing and fixed to the first half member, a bracket disposed in the casing and fixed to the first half member, a bearing supported by the b
    Type: Grant
    Filed: October 10, 1986
    Date of Patent: November 3, 1987
    Assignee: Fuji Koki Manufacturing Co., Ltd.
    Inventor: Mutsuyoshi Kawahira
  • Sealed type motor-operated flow control valve
    Patent number: 4650156
    Abstract: A sealed type motor-operated flow control valve comprises a valve body including two passages and a valve port connecting the two passages and formed with a valve seat, a valve member provided on the body so as to be movable between a closed position and an open position, a rotor having a rotating shaft one end of which is coupled to that end portion of the valve member more distant from the valve seat, the rotor being supported by the body so as to be rotatable in the circumferential direction of the shaft, a casing including a first half member hermetically coupled to the body and a second half member adjoining the first half member in a direction along the shaft of the rotor and hermetically coupled to the first half member, the respective inner surfaces of the first and second half members defining a sealed space to contain the rotor therein, a stator disposed in the casing and fixed to the first half member, a bracket disposed in the casing and fixed to the first half member, a bearing supported by the b
    Type: Grant
    Filed: May 30, 1985
    Date of Patent: March 17, 1987
    Assignee: Fuji Koki Manufacturing Co., Ltd.
    Inventor: Mutsuyoshi Kawahira