Title:
WINDLASS
Document Type and Number:
WIPO Patent Application WO/2020/194866
Kind Code:
A1
Abstract:
Provided is a windlass that prevents damage to a hydraulic motor caused by surge pressure generated inside the hydraulic motor. The windlass 26 winds up an anchor chain 27 by using a hydraulic motor 4 driven by hydraulic pressure supplied from a hydraulic pump 2 via a hydraulic pressure supply unit 3. The windlass comprises: an accumulator 15 that is connected to the hydraulic pressure supply unit 3 and dampens shock from hydraulic pressure; a chain counter 34 that measures the amount R of anchor chain 27 that is wound out; and an electric valve 18 for selectively setting the connection state of the accumulator 15 relative to the hydraulic pressure supply unit 3 to an on state in which accumulator 15 is connected to the hydraulic pressure supply unit 3 or an off state in which the connection is released, setting same in accordance with the wind-out amount R.
Inventors:
KATO SHOICHI (JP)
SEINO TOMOKI (JP)
SEINO TOMOKI (JP)
Application Number:
PCT/JP2019/046330
Publication Date:
October 01, 2020
Filing Date:
November 27, 2019
Export Citation:
Assignee:
FUKUSHIMA LTD (JP)
International Classes:
B66D1/44; B66D1/72
Foreign References:
| JPS54136060A | 1979-10-22 | |||
| JP2014069724A | 2014-04-21 | |||
| JPH09110386A | 1997-04-28 | |||
| JPS61148868U | 1986-09-13 | |||
| JPH10330089A | 1998-12-15 |
Attorney, Agent or Firm:
SATO & ASSOCIATES (JP)
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