Single cylinder treadle pump
AssigneeBrooklyn Bridge to Cambodia, Inc.
InventorsIan Charles Edwin Berg, Anthony Robert Cerqua, Bryce Austell, Kenneth Long, Joseph Colmone
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Abstract
A human-powered positive-displacement single dual-action cylinder treadle pump for use in pumping and distributing water from wells and other water sources, as well as methods of manufacturing and operating such a pump. The pump offers rural farmers a portable device for pumping water for use in irrigating fields and crops that is powerful, low-cost, modular and portable. The modularity of the pump allows for easy access to any of the components of the pump should they require maintenance, repair or replacement.
Claims32
A human-powered apparatus for pumping and distributing water, comprising:
- a frame;
- two treadles, wherein the two treadles are connected to the frame by a rocker;
- and
- a pump, wherein the pump is a positive-displacement pump which comprises:
- a single dual-action cylinder;
- a piston, wherein the two treadles are connected to the piston by a piston rod;
- piping, wherein the piping comprises an opening for the piston rod;
- a seal positioned around the piston rod at the opening in the piping, wherein the seal comprises an open-surface container capable of containing water;
- and
- a plurality of valves, wherein the plurality of valves are swing-check non-return valves or lift-check non-return valves, and
- wherein the positive-displacement pump is configured to pump water from the single dual-action cylinder upon both up strokes and down strokes of the piston.
Dependencies are inferred from the claim text.