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US 5,686,663 AGranted
Fluid meter utilizing two connecting rods for connecting two pistons
AssigneeDresser Industries, Inc.
InventorRobert George Spalding
Life of this patent
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Abstract
A fluid meter in which a crankcase and two axially-aligned cylinders are defined in a housing. A crankshaft is disposed in the crankcase and two pistons are respectively mounted in the cylinders for reciprocal movement. Two connecting rods respectively connect the pistons to the crankshaft for rotating the crankshaft in response to the movement of the pistons. A portion of each of the connecting rods engage the other connecting rod to support and guide the connecting rods during the movement.
Claims8
A fluid meter comprising:
- a housing defining at least one crankcase and two axially-aligned cylinders,
- a crankshaft disposed in the crankcase,
- two pistons respectively mounted in the cylinders for reciprocal movement,
- a first connecting rod connected to one of the pistons and to the crankshaft for rotating the crankshaft in response to the movement of the one piston, and
- a second connecting rod connected to the other piston and to the crankshaft for rotating the crankshaft in response to the movement of the other piston,
- a portion of each of the connecting rods engaging the other connecting rod to support and guide the connecting rods during the movement.
3 more elements
Dependencies are inferred from the claim text.