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Title:
MANUFACTURE OF CYLINDER BLOCK IN HYDROSTATIC TYPE CONTINUOUSLY VARIABLE TRANSMISSION
Document Type and Number:
Japanese Patent JP3171929
Kind Code:
B2
Abstract:

PURPOSE: To reduce the extent of working manhours by sintering snf forming plural pieces of split materials in the axial direction of a block, melting a brazing material in a state of being positioned with one another, and brazing them as sealing the surface.
CONSTITUTION: A cylinder block material 83 is made up of bonding three split materials 84, 85 and 86 divided in the axial direction of a cylinder block B as one body, and respective split materials are sintered and formed. At the time of sintering and forming, some holes required as the cylinder block B are formed at the same time. These split materials 84, 85 and 86 like that are sintered and processed after mounting brazing materials 93a, 93b consisting of a copper alloy between split surfaces in a state of settling a circumferential relative position with a knock pin, and then a cylinder block material 83 is formed up as performing a job for sealing to the surface. Therefore, the number of drilling manhours required for this block material 83 is reducible, and a molding is able to secure a high degree of oiltightness, thus such a cylinder block B as resistible to high hydraulic pressure is securable.


Inventors:
Hayashi, Tsutomu
Saito, Mitsuru
Nakajima, Yoshihiro
Application Number:
JP1992000160932
Publication Date:
June 04, 2001
Filing Date:
June 19, 1992
Export Citation:
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Assignee:
HONDA MOTOR CO LTD
International Classes:
F04B1/20; F04B1/22; F16H39/14; (IPC1-7): F04B1/20
Attorney, Agent or Firm:
落合 健 (外1名)



 
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