Title:
VALVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/016618
Kind Code:
A1
Abstract:
Provided is a configuration capable of improving fuel consumption while minimizing the size increase of the configuration of a throttle valve periphery. A valve device 2 is provided with a valve body 52 having a main passage 55 in the interior, a valve body 100, and a valve actuator 53. The valve body 52 has an inflow passage inlet 56a positioned in the connecting portion between an air passage 56 and the main passage 55, a return-flow passage inlet 57a positioned in the connecting portion between a return-flow passage 57 and the main passage 55, and an opening part 55b. Formed in the valve body 52 are a first passage 58 for which the inflow passage inlet 56a and the opening part 55b are the outlet and inlet, respectively, and a second passage 59 for which the return-flow passage inlet 57a and the opening part 55b are the outlet and inlet, respectively. The valve body 100 has a first valve part 101 for adjusting the flow channel area of the first passage 58, and a second valve part 110 for adjusting the flow channel area of the second passage 59. The valve actuator 53 causes the first valve part 101 and the second valve part 110 to move within the main passage 55 of the valve body 52.
Inventors:
ITO YOSHIHITO (JP)
Application Number:
PCT/JP2017/026436
Publication Date:
January 25, 2018
Filing Date:
July 21, 2017
Export Citation:
Assignee:
YAMAHA MOTOR CO LTD (JP)
International Classes:
F02M69/32; F02D9/02; F02M26/51; F02M26/66
Foreign References:
| JPH0169151U | 1989-05-08 | |||
| JPS63192946A | 1988-08-10 | |||
| JPS55170435U | 1980-12-06 | |||
| JPS5746046A | 1982-03-16 |
Attorney, Agent or Firm:
SUZUKI Kazuaki et al. (JP)
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