PUMPING DEVICE WITH DIRECT DRIVE
First Claim
1. A pumping device, comprising:
- a body forming an internal chamber;
a reciprocating member disposed in the body, the reciprocating member having a first end, a second end, and an axis; and
a drive system magnetically coupled with the reciprocating member, the drive system comprising a first conductive body affixed relative to the reciprocating member,wherein the drive system is configured to induce a first magnetic field by energizing the first conductive body, andwherein the reciprocating member is configured to induce a second magnetic field in a manner that causes the reciprocating member to move between a first position and a second position to fill and evacuate the internal chamber with a fluid.
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Accused Products
Abstract
A pumping device configured to directly drive a reciprocating member to pump a fluid. In one embodiment, the pumping device comprises a body forming an internal chamber. The reciprocating member may be disposed in the body, the reciprocating member having a first end, a second end, and an axis. The embodiment may further include a drive system magnetically coupled with the reciprocating member, the drive system comprising a first conductive body affixed relative to the reciprocating member. The drive system may be configured to induce a first magnetic field by energizing the first conductive body. The reciprocating member may be configured to induce a second magnetic field in a manner that causes the reciprocating member to move between a first position and a second position to fill and evacuate the internal chamber with a fluid.
17 Citations
20 Claims
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1. A pumping device, comprising:
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a body forming an internal chamber; a reciprocating member disposed in the body, the reciprocating member having a first end, a second end, and an axis; and a drive system magnetically coupled with the reciprocating member, the drive system comprising a first conductive body affixed relative to the reciprocating member, wherein the drive system is configured to induce a first magnetic field by energizing the first conductive body, and wherein the reciprocating member is configured to induce a second magnetic field in a manner that causes the reciprocating member to move between a first position and a second position to fill and evacuate the internal chamber with a fluid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A pumping device, comprising:
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a body comprising a first inlet/outlet, a second inlet/outlet, and an internal chamber in flow communication with each of the first inlet/outlet and the second inlet/outlet, the body having a first bore coupled with the internal chamber; a reciprocating member disposed in the first bore, the reciprocating member having a first end, a second end, and an axis; a first coil affixed in the body, the first coil comprising a first set of windings that circumscribe the axis of the reciprocating member, wherein the first set of windings are configured to generate a first magnetic field in response to an electrical signal, and wherein the reciprocating member is configured to generate a second magnetic field to move the reciprocating member between a first position and a second position in the first bore in response to an interaction with the first magnetic field. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A method of operating a pumping device, comprising:
at a controller comprising a processor configured to execute executable instructions for; receiving a signal corresponding with a measured position for a reciprocating member in the pumping device; comparing the measured position to one or more position thresholds for the reciprocating member; determining a direction of travel for the reciprocating member in accordance with a relationship between the measured position and the one or more position thresholds; and regulating an electrical signal to induce one or more magnetic fields corresponding with the direction of travel for the reciprocating member. - View Dependent Claims (19, 20)
Specification