Title:
ELECTRIC HYDRAULIC SERVOMOTOR
Document Type and Number:
Japanese Patent JP3880755
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a small electric hydraulic servomotor.
SOLUTION: In the electric hydraulic servomotor 100 for rotating an output shaft 61 according to a rotating speed difference between a rotary shaft 41 and an output shaft 61, a longitudinal groove 71c extendedly disposed in the axial direction is formed on a spool 71, a first helical gear 52 is inserted into the longitudinal-groove 71c, and is engaged and held with the spool 71 so as to set the axial direction of the spool 71 and the axial direction of the first helical gear 52 in parallel with each other.
Inventors:
Yoji Asano
Application Number:
JP29147899A
Publication Date:
February 14, 2007
Filing Date:
October 13, 1999
Export Citation:
Assignee:
Nabtesco Co., Ltd.
International Classes:
F03C1/253; F03C2/08; F15B9/14; (IPC1-7): F03C2/08
Domestic Patent References:
| JP7077155A | ||||
| JP46013533B1 | ||||
| JP51029440Y1 | ||||
| JP50048392A |
Attorney, Agent or Firm:
Gunichiro Ariga
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