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US 9,428,369 B2Granted
Articulated slewing jib crane and wind turbine incorporating same
AssigneeGeneral Electric Company
InventorsChristian Tieke, Stefan Voss, Holger Luehn
Life of this patent
Estimating the term…
Abstract
A jib crane includes a first arm configured for cooperation with a hoist, and a second arm hingedly connected to the first arm. A mounting bracket is hingedly connected to the second arm, and the mounting bracket is configured for attachment to a wind turbine. The first arm is configured to swing along a first horizontal arc and the second arm is configured to swing along a second horizontal arc. The jib crane is configured to pick up a load outside the wind turbine and move the load to a location inside the wind turbine.
Claims19
A jib crane comprising:
- a first arm, the first arm configured for cooperation with a hoist;
- a second arm hingedly connected to the first arm;
- a mounting bracket, the mounting bracket hingedly connected to the second arm, the mounting bracket attached to a door frame of a wind turbine;
- wherein, the first arm is configured to swing along a first horizontal arc and the second arm is configured to swing along a second horizontal arc, and wherein the jib crane is configured to pick up a load outside the wind turbine and move the load to a location inside the wind turbine.
1 more element
A wind turbine comprising:
- a tower;
- a nacelle mounted on the tower;
- a rotor connected to the nacelle, the rotor including a hub and a plurality of blades;
- a jib crane comprising:
- a first arm, the first arm configured for cooperation with a hoist;
- a second arm hingedly connected to the first arm;
- a mounting bracket, the mounting bracket hingedly connected to the second arm, the mounting bracket attached to a door frame of the wind turbine;
- wherein, the first arm is configured to swing along a first horizontal arc and the second arm is configured to swing along a second horizontal arc, and wherein the jib crane is configured to pick up a load outside the wind turbine and move the load to a location inside the wind turbine.
5 more elements
Dependencies are inferred from the claim text.