1.
    发明专利
    未知

    公开(公告)号:NO158110C

    公开(公告)日:1988-07-13

    申请号:NO832216

    申请日:1983-06-20

    Abstract: A blade feathering system for wind turbines includes a feather actuator (299), control means (330 and 335) operatively connected thereto and an adjustment means (340) operatively connected to the control means for selectively varying the rate of operation of the feather actuator for feathering the wind turbine blades (10 and 15) at a variable rate.

    2.
    发明专利
    未知

    公开(公告)号:FI77917B

    公开(公告)日:1989-01-31

    申请号:FI832192

    申请日:1983-06-16

    Abstract: A blade feathering system for wind turbines includes a feather actuator (299), control means (330 and 335) operatively connected thereto and an adjustment means (340) operatively connected to the control means for selectively varying the rate of operation of the feather actuator for feathering the wind turbine blades (10 and 15) at a variable rate.

    3.
    发明专利
    未知

    公开(公告)号:IT1163511B

    公开(公告)日:1987-04-08

    申请号:IT2159483

    申请日:1983-06-13

    Abstract: A blade feathering system for wind turbines includes a feather actuator (299), control means (330 and 335) operatively connected thereto and an adjustment means (340) operatively connected to the control means for selectively varying the rate of operation of the feather actuator for feathering the wind turbine blades (10 and 15) at a variable rate.

    5.
    发明专利
    未知

    公开(公告)号:FR2528916B1

    公开(公告)日:1988-07-22

    申请号:FR8309739

    申请日:1983-06-13

    Abstract: A blade feathering system for wind turbines includes a feather actuator (299), control means (330 and 335) operatively connected thereto and an adjustment means (340) operatively connected to the control means for selectively varying the rate of operation of the feather actuator for feathering the wind turbine blades (10 and 15) at a variable rate.

    8.
    发明专利
    未知

    公开(公告)号:FR2528916A1

    公开(公告)日:1983-12-23

    申请号:FR8309739

    申请日:1983-06-13

    Abstract: A blade feathering system for wind turbines includes a feather actuator (299), control means (330 and 335) operatively connected thereto and an adjustment means (340) operatively connected to the control means for selectively varying the rate of operation of the feather actuator for feathering the wind turbine blades (10 and 15) at a variable rate.

    9.
    发明专利
    未知

    公开(公告)号:NO158110B

    公开(公告)日:1988-04-05

    申请号:NO832216

    申请日:1983-06-20

    Abstract: A blade feathering system for wind turbines includes a feather actuator (299), control means (330 and 335) operatively connected thereto and an adjustment means (340) operatively connected to the control means for selectively varying the rate of operation of the feather actuator for feathering the wind turbine blades (10 and 15) at a variable rate.

Patent Agency Ranking