Title:
Wind-power-generation equipment
Document Type and Number:
Japanese Patent JP6125910
Kind Code:
B2
Abstract:
A swivel joint (100) including a housing (2) in a cylindrical shape, and a rotor (1) rotatably inserted to fit to an inner portion of the housing (2), in which a ring-like oil chamber (4) is configured between an inner peripheral face of the housing (2) and an outer peripheral face of the rotor (1), the rotor (1) includes an in-rotor flow channel (6) communicating with the ring-like oil chamber (4) from an end face thereof, the housing (2) includes an in-housing flow channel (10) penetrated from the outer peripheral face of the housing (2) to the ring-like oil chamber (4) of the inner peripheral face, and an opening portion of the in-rotor flow channel (6) facing the ring-like oil chamber (4) is installed with a guide vane (3) projected into the ring-like oil chamber (4).
More Like This:
Inventors:
Kan Mukai
Ryohito Obata
Ryohito Obata
Application Number:
JP2013114921A
Publication Date:
May 10, 2017
Filing Date:
May 31, 2013
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
F03D9/00; F16L39/04
Domestic Patent References:
| JP2012137371A1 | ||||
| JP5928136Y2 | ||||
| JP58170585A | ||||
| JP62204090A | ||||
| JP61234328A | ||||
| JP55112481A |
Foreign References:
| WO2012137311A1 | ||||
| US4598735 | ||||
| GB1566818A | ||||
| US4441522 |
Attorney, Agent or Firm:
Polaire Patent Business Corporation
Previous Patent: Living body monitoring device
Next Patent: CHARGE TIMING OF JET DEVICE IN INTERNAL-COMBUSTION ENGINE
Next Patent: CHARGE TIMING OF JET DEVICE IN INTERNAL-COMBUSTION ENGINE