Title:
FRAME STRUCTURE COMBINED DRAIN OIL DUCT FOR SUBMERSIBLE CRAFT
Document Type and Number:
Japanese Patent JP3117295
Kind Code:
B2
Abstract:
PURPOSE: To attain the frame structure combined drain oil ducts of a submersible craft moderate in material cost, easy in curve machining, corrosion-resistant and lightweight so as to be excellent in manoeuverability and profitability.
CONSTITUTION: The frame structure formed by assembling piping material three-dimensionally is additionally provided with plural hydraulic equipments to form a submersible craft. This submersible craft is provided with a center frame combined drain oil duct l, an upper frame combined drain oil duct 2 and a lower frame combined drain oil duct 3 enabling drain oil from each hydraulic equipment to pass through in the mutually communicated state, and an equalizing device 7 capable of making the internal pressure of these ducts approximately equal to external pressure.
Inventors:
Tetsuya Inada
Application Number:
JP24120492A
Publication Date:
December 11, 2000
Filing Date:
August 18, 1992
Export Citation:
Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
International Classes:
B63C11/00; B63G8/00; (IPC1-7): B63C11/00; B63G8/00
Domestic Patent References:
| JP50114800A | ||||
| JP61200096A |
Attorney, Agent or Firm:
Yoshihiko Iinuma