Title:
THERMOSTAT, WATER COOLING DEVICE, WATER COOLING ENGINE, AND OUTBOARD ENGINE
Document Type and Number:
Japanese Patent JP2015086974
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a thermostat capable of preventing a frame of the thermostat from contacting with a housing inner surface forming a coolant passage.SOLUTION: A thermostat 36 includes: an annular flange 38 which is enclosed by a cylindrical large diameter part 59b of an inner surface 59 and extends in a radius direction R; and a frame 39 extending from the flange 38 in an axial direction X. The thermostat 36 includes a seal member 40 which seals an area between the flange 38 and the inner surface 59. The seal member 40 includes: an annular outer peripheral part 61 which is sandwiched between the inner surface 59 and a thermostat cover 58 in the axial direction X at the inner side of the large diameter part 59b; and multiple protruding parts 62 which extend from the outer peripheral part 61 to the outer side in the radial direction R toward the large diameter part 59b. The thermostat 36 is disposed in a housing 37 which forms a part of a coolant passage 23 with the cylindrical inner surface 59 and opens and closes the coolant passage 23 according to a temperature of a coolant in the coolant passage 23.
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Inventors:
MAEKAWA MASAYA
ISOZAKI KOICHI
SARUWATARI KIMITAKA
ISOZAKI KOICHI
SARUWATARI KIMITAKA
Application Number:
JP2013227330A
Publication Date:
May 07, 2015
Filing Date:
October 31, 2013
Export Citation:
Assignee:
YAMAHA MOTOR CO LTD
International Classes:
F16K31/68; F01P7/16; F16K27/00
Attorney, Agent or Firm:
Inaoka cultivation
Mio Kawasaki
Masahide Yasuda
Mio Kawasaki
Masahide Yasuda