Title:
改良歯車を備えた航空機、および、その歯車を製作する方法
Document Type and Number:
Japanese Patent JP5313494
Kind Code:
B2
Abstract:
There is described a helicopter (1) having a transmission (5) for transmitting motion from a driving member to a driven member; the transmission (5) has at least a first gear (8; 10) driven by the driving member, and a second gear (10; 12) meshing with the first gear (8) and in turn driving the driven member; the first and second gear (8, 10; 10, 12) have teeth (16, 17, 18) shaped so that the gears (8, 10) mesh with one another at at least two pairs of respective simultaneously meshing teeth (16, 17; 17, 18); the teeth (16, 17, 18) of at least one of the gears (8, 10, 12) have a profile (19) having an end portion (21) relieved with respect to a starting theoretical involute (E); and the pattern (G) of the distance between the points of the end portion (21) and the starting involute (E) along an axis (A, H) of the tooth (16, 17, 18) has at least a first and a second segment (B, C) sloping with respect to each other.
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Inventors:
Giuseppe Gasparini
Sergio Sartori
Nihat Il Dirim
Sergio Sartori
Nihat Il Dirim
Application Number:
JP2007340594A
Publication Date:
October 09, 2013
Filing Date:
December 28, 2007
Export Citation:
Assignee:
Agusta Westland Sochieta Per Azioni
International Classes:
F16H55/08; B64D35/00; F16H1/06
Domestic Patent References:
| JP6280970A | ||||
| JP5340463A | ||||
| JP2000272593A | ||||
| JP2006242211A | ||||
| JP58118351U |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Shinozaki Masami
Kazuyoshi Ohira
Yasushi Ohashi
Jun Tsuruta
Tetsuro Shimada
Shinozaki Masami
Kazuyoshi Ohira
Yasushi Ohashi
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