About 2 results
https://drivepatents.com/patents/987560 · 14 Aug 2013
[Object] Without requiring a plurality of fluid supply sources such as a pump device and the like, a fluid can be selectively supplied relative to at least two or more fluid supply routes by a simplified structure. [Means of Solving Problem] A fluid distri...
https://drivepatents.com/patents/1109028 · 24 Oct 2001
The cleaner for car headlamp lenses has two nozzles which are alternately fed with cleaning liquid by a pump via a valve (5). This has two pistons (17, 18) connected by a central bar (16) which passes through a seal (13). The pistons are biased towards the...