Title:
ジェット推進装置のための軸方向に調節可能なスラストベアリング
Document Type and Number:
Japanese Patent JP4812231
Kind Code:
B2
Abstract:
The present invention relates to a jet propulsion unit (1) for propulsion of a waterborne craft comprising at least one impeller pump (3) with a pump housing (4) in which an impeller shaft (22) or ajournal (21) connected to said impeller shaft (22) is is rotatably journalled in bearings, and an impeller (7) blades (24), the impeller (7) being fixed to said impeller shaft (22) or journal (21) so as to follow the rotation of the impeller shaft (22), the impeller blades (24) being arranged at the impeller ( ) with a play of the blades (25) between each impeller blade (24) and the inside (15) of the pump housing (4). According to the invention the jet propulsion unit (1) also comprises an axially adjustable thrust bearing (27) arranged to cooperate with the impeller shaft (22) for adjusting said play (25).
Inventors:
Jans, Torun Brad
Crystal, hegel
Gunnar, Stilde
Crystal, hegel
Gunnar, Stilde
Application Number:
JP2002532108A
Publication Date:
November 09, 2011
Filing Date:
September 27, 2001
Export Citation:
Assignee:
Rolls Royce Activolag
International Classes:
B63H11/08; B63H23/32; F16C17/04; F16C23/02
Domestic Patent References:
| JP6505461A | ||||
| JP2000118494A | ||||
| JP11070894A | ||||
| JP7310738A | ||||
| JP2000145785A |
Foreign References:
| WO2000028190A1 | 2000-05-18 |
Attorney, Agent or Firm:
▲吉▼川 俊雄