F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 9/107 (2006.01) F04B 7/04 (2006.01) F04B 13/00 (2006.01)
Patent
CA 2276868
A reciprocating fluid driven motor apparatus is provided for operating within a pipeline system carrying fluid under pressure to harness some of the energy stored in the pressurized fluid and convert it into mechanical motion for performing other desired tasks. The apparatus includes a barrel having an inlet in fluid communication with an upstream portion of the pipeline and an outlet in fluid communication with a downstream portion of the pipeline, and a differential pressure regulator in a by-pass portion of the pipeline connecting the upstream and downstream portions to create a greater pressure in the upstream portion than the downstream portion. A piston slides reciprocally within the barrel in a fluid tight manner. The piston has an interior cavity for allowing fluid movement therethrough, and a cyclically operable closure member for opening and closing the fluid movement through the piston. The piston is moved upwardly within the barrel by the pressurized fluid beneath the piston to an upper limit of travel upon closing the closure member, and the piston is allowed to fall by force of gravity from the upper limit of travel to a lower limit of travel upon opening the closure member to allow the fluid beneath the piston to travel through the interior cavity and into the barrel's outlet for discharge into the downstream portion of the pipeline. A piston rod extends from the piston and slidably through the barrel for transferring movement of the piston to the exterior of the barrel to perform a desired task. The entire system is closed so that no fluid leaves the apparatus but merely continues to travel along the pipeline.
Blair Jim S.
Malyszko Thomas E.
LandOfFree
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