Patents in subclass Pumps/All Distributors Positioned On Same Side Of Pumping Chamber
Parent class: Pumps
| Number | Patent title | Issue Date |
|---|---|---|
| 06644940 | Restarting device for a fluid operated double diaphragm piston pump A restarting device of a pump including a center rod defining fluid delivering chambers and driving chambers 11b and 12b. The restarting device of the pump further includes: a change-over valve 2 for switching a direction for the center... |
11/11/2003 |
| 06422832 | Air pump capable of inflating and deflating an inflatable object interchangeably An air pump is capable of inflating and deflating an inflatable object and is formed of a main body having a cylinder duct, an air outlet and an air inlet in communication with the cylinder duct. The air in the cylinder duct is let out... |
07/23/2002 |
| 06257843 | Self-aligning double-acting simplex plunger pump A self-aligning double-acting simplex plunger pump comprising first and second combined plunger stuffing box and head members or blocks. A manifold is adapted to be abutted against one surface of the blocks and second spaced apart... |
07/10/2001 |
| 5992696 | Manifold for a metering cylinder A manifold for a double acting metering cylinder having a fluid tight reciprocal piston forming a pair of expandable and retractable chambers, the manifold having a housing with passageways therein and directional valves to selectively... |
11/30/1999 |