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    • 1. 发明专利
    • Fluid supply device
    • JP5146509B2
    • 2013-02-20
    • JP2010210954
    • 2010-09-21
    • トヨタ自動車株式会社
    • 修 清水元気 佐々木
    • F16K11/07F16H57/04F16K31/06
    • PROBLEM TO BE SOLVED: To provide a fluid supply device which includes a parallel passage part with a plurality of passages connected in parallel with each other, and suppresses flow rate change of a fluid when the number of passages allowing the fluid to pass therethrough is changed in the parallel passage part.SOLUTION: This fluid supply device includes the parallel passage part 60 composed of: an extraction side main passage 10 for extracting ATF (automatic transmission fluid) from an automatic transmission 2; a return side main passage 11 for returning the ejected ATF to the automatic transmission 2; a first passage 40 and a second passage 50 connected in parallel with the extraction side main passage 10; and a selector valve 100 for changing the number of passages allowing the ATF to pass therethrough among the plurality of passages. When the selector valve 100 is in the second state, the extraction side main passage 10 is connected to the second passage 50, and the extraction side main passage 10 is connected to the first passage 40 via a restriction part 115. When the selector valve 100 is in the first state, the extraction side main passage 10 is connected to the first passage 40 without the restriction part 115 interposed therebetween.