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Patent Searching and Data


Title:
CHANNEL STRUCTURE AND METHOD FOR PROCESSING SAME
Document Type and Number:
Japanese Patent JP2009257193
Kind Code:
A
Abstract:

To provide a channel structure and a method for processing the same capable of improving a burr removal performance at a cross part including an acute angle section.

This cross shape channel structure 1 is provided with a first channel 10, and a second channel 20 crossing the first channel 10. The cross part 30 includes the acute angle section 31. A diameter of the first channel 10 at a side opposite to the acute angle section 31 (diameter d1 above the cross part 30) is set larger than a diameter of the first channel at the acute angle section 31 side (diameter d2 below the cross part 30). Diameter difference is provided in the first channel 10 in a range of the cross part 30, and the acute angle section 31 is exposed in a view from a side opposite to the acute angle section 31 (in top view).


Inventors:
KOSAKA YOSUKE
FUTSUKI TAMOTSU
Application Number:
JP2008107156A
Publication Date:
November 05, 2009
Filing Date:
April 16, 2008
Export Citation:
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Assignee:
TOYOTA MOTOR CORP
International Classes:
F01M1/06; B24B5/40; B24B9/00
Attorney, Agent or Firm:
Juichiro Yano