Title:
COOLING WATER CONTROL VALVE DEVICE
Document Type and Number:
Japanese Patent JP2018204724
Kind Code:
A
Abstract:
To provide a cooling water control valve device capable of reducing leakage of cooling water between a valve and a sheet.SOLUTION: On a cross section containing an axis Ax1 of a sheet body 51, when a straight line parallel with the axis Ax1 of the sheet body 51 through a specific contact Pc1 is defined as an inside straight line Li1, wherein the specific contact is a contact between a ball surface 34 and a sheet surface 53, and a straight line parallel with the axis Ax1 of the sheet body 51 through a specific intersection Pi1 is defined as an outside straight line Lo1, wherein the specific intersection is an intersection between a vertical line Lp1 and a holder 70 with respect to a tangent line Lt1 of the ball surface 34 at the specific contact Pc1, an interval S1 is formed between the sheet body 51 and the holder 70, in at least a part between the inside straight line Li1 and the outside straight line Lo1.SELECTED DRAWING: Figure 3
Inventors:
HASHIMOTO KOJI
SANO AKIRA
SANO AKIRA
Application Number:
JP2017111819A
Publication Date:
December 27, 2018
Filing Date:
June 06, 2017
Export Citation:
Assignee:
DENSO CORP
International Classes:
F16K5/06; F01P7/16; F01P11/14
Attorney, Agent or Firm:
Masaki Hattori