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    • 4. 发明专利
    • COAXIAL DRIVING DEVICE AND BALL VALVE
    • JPH08121643A
    • 1996-05-17
    • JP25996894
    • 1994-10-25
    • TAIMEI KINZOKU KOGYO KK
    • KAWAHARA HIROHITO
    • F16K5/06F16H35/00F16K5/20F16K31/53
    • PURPOSE: To enable design with resiliency in operation and function by fitting the engaging piece of a first rotor with play into the circular arc groove of a second rotor in a coaxial driving device provided with two rotors for receiving the rotation of a driving rotor. CONSTITUTION: The coaxial driving device 1 has a first rotor 4 having a first gear piece 5 for receiving the rotation of a rotatory-driven driving gear 2 and also having a first transmission shaft 11 for transmitting the rotation of the first gear piece 5 to the other operating shaft. The coaxial driving device 1 also has a second rotor 13 having a second gear piece 14 for receiving the rotation of the driving gear 2 and also having a second transmission shaft 17 for transmitting the rotation of the second gear piece 14 to the other operating shaft. The respective rotors 4, 13 are on a common axis 22. The first rotor 4 has the first gear piece 5 of circular arc shape with a center angle α and a pin 8, an engaging piece, provided at the fixed distance from the common axis 22. The second rotor 13 has the second gear piece 14 of circular arc shape with a center angle β and a circular arc groove 19 of circular arc shape with a center angle γ (
    • 5. 发明专利
    • VALVE
    • JPH0835582A
    • 1996-02-06
    • JP17302294
    • 1994-07-26
    • TAIMEI KINZOKU KOGYO KK
    • KAWAHARA HIROHITO
    • F16K1/20F16K51/00
    • PURPOSE:To provide a flat plate cock which is constituted so that foreign materials and the deteriorated residue, etc., of fluid are not allowed to stay in a space part which communicates to a flow passage at the center part. CONSTITUTION:As for a flat plate cock equipped with a valve seat 12 positioned in a flow passage 7 at the center part which is formed between an upstream side flow passage 5 and a downstream side flow passage 6, valve piece 16 which cuts the flow passage through the contact and separation with the valve seat 12 or adjusts the flow rate in the flow passage, and a space part 9 which communicates to the flow passage 7 at the center part, the sectional area of the flow passage 5 on the upstream side is set larger than that of the flow passage 7 at the center part, and the flow passage 5 on the upstream side and the space part 9 are connected by a communication pipe 3.
    • 7. 发明专利
    • BALL VALVE
    • JPH01188773A
    • 1989-07-28
    • JP1035988
    • 1988-01-20
    • TAIMEI KINZOKU KOGYO KK
    • MIYOSHI MAMORU
    • F16K5/20
    • PURPOSE:To improve the operating property of a ball valve by making a movable valve seat on the ball valve side movable between a retracted position and a sealing position in accordance with the opening/closing condition of the ball valve. CONSTITUTION:Casing side valve seats 7, 8 are fixed on the inner end of each of fluid flow-in/flow-out ports 2. Ball valve side movable valve seats 9 are provided on the side walls of the flow passage 4 of the ball valve 3. The movable valve seat 9 is movable between a retracted position in the body of the ball valve 3 at the time of the opening condition of the ball valve 3 and a sealing position in which the movable valve seat 9 is projected out of the body and pressed against the casing side valve seats 7, 8 at the time of the closed condition of the ball valve 3. At the time of rotating the ball valve 3, since the ball valve side valve seats 9 are released from the pressure contact with the casing side valve seats 7, 8, the valve can be lightly operated.