| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a washer pump for a vehicle, suppressing liquid scattering from a washer nozzle on a front side when injecting cleaning liquid to a rear side. <P>SOLUTION: With pressure in first and second valve chambers 16, 19 reaching equilibrium (with impeller 6 not rotated), the second seating surface 13e of a diaphragm valve 13 is separated from the seating face 18a of a rear delivery port 18, and also the first seating surface 13d thereof is brought into contact with the seating face 15a of a front delivery port 15. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
