| 摘要 |
<p>A membrane seal for a multi-part fluid pump housing discharging windshield washer fluid from reservoir includes a one-piece, rigid carrier and a resilient seal member molded onto the rigid member to seal two pump housing parts. Resilient material also over molded over at least one flow aperture in the carrier to form a check valve to control fluid flow between an inlet and an outlet of the pump housing, Resilient material also is molded over another aperture in the carrier to form a pump motor shaft seal. In a construction method, theresilient material forming the peripheral seal, the check valve and the pump motor shaft seal is over molded in a single process step over the carrier.</p> |
