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US 2026/0146598 A1Published application
Variable displacement pump
AssigneeMG&G Pump & Supply Company
InventorsScott STRICKLIN, Joseph LANFRANKIE
Life of this patent
Estimating the term…
Abstract
A variable displacement pump includes a pump motor. An adjustable spline is operatively connected to the pump motor at a first end of the adjustable spline. A plunger is connected to a second end of the adjustable spline. A pump head bis operatively connected to the plunger. The adjustable spline is configured to adjustably modify a stroke length of the plunger.
Claims20
A variable displacement pump comprising:
- a pump motor;
- an adjustable spline, operatively connected to the pump motor at a first end of the adjustable spline;
- a plunger, connected to a second end of the adjustable spline;
- and
- a pump head, operatively connected to the plunger;
- wherein the adjustable spline is configured to adjustably modify a stroke length of the plunger.
3 more elements
An adjustable spline for a reciprocating pump, the adjustable spline comprising:
- a stroke adjustment piston comprising:
- a cylinder;
- a rod, adjustably coupled to a first end of the cylinder;
- and
- a stop associated with a second end of the cylinder;
- wherein the adjustable spline is configured to be operatively connected to a pump motor at a first end of the adjustable spline, and to be connected to a plunger at the second end of the adjustable spline.
3 more elements
A method for pumping a fluid, the method comprising:
- providing a reciprocating pump, wherein the reciprocating pump comprises a plunger and a pump head;
- operatively connecting the reciprocating pump to a source of fluid;
- and
- adjustably modifying a stroke length of a plunger of the reciprocating pump;
- managing displacement of the fluid in the pump head based on the stroke length that was modified.
2 more elements
Dependencies are inferred from the claim text.