Pulsatile fluid pump system

US12085066B2 · kind B2 · utility

Assignee

• VentriFlo, Inc. · US

Inventors

• Douglas E. Vincent · Manchester, US
• Brian Bailey · Chelmsford, US
• Conrad Bzura · Melrose, US
• David Arthur Butz · Groton, US
• David Olney · Chester, US
• Eric Smith · Newburyport, US
• George Koenig · Nashua, US
• James W. Poitras · Holliston, US
• Jeffrey P. Naber · Mont Vernon, US
• Judy Labonté · Hudson, US
• Kathleen Vincent · Pelham, US
• Lawrence M. Kuba · Nashua, US
• Matthew Murphy · Los Altos, US
• Patrick Shields · Scottsdale, US
• Roger Greeley · Portsmouth, US

Key dates

• Filing date: Feb 23, 2021
• Grant date: Sep 10, 2024
• Expiry date: Feb 23, 2041

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F04B2203/0402
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A pulsatile fluid pump system includes a pump-valving assembly including a chamber and a diaphragm assembly coupled to the chamber and including a flexible diaphragm. The diaphragm assembly and the pump-valving assembly are configured as an integral pump assembly. The system further includes a linear motor having a magnet and a coil, the magnet moving in relation to the coil, the coil having an electrical input. The system also includes a control housing rigidly coupled to the linear motor and a controller system having an electrical output coupled to the electrical input of the coil, the controller system defining an electrical waveform at the electrical output to cause desired operation of the diaphragm. The integral pump assembly is configured to be removably coupled to the control housing, and the diaphragm assembly of the integral pump assembly is configured to be removably coupled to the linear motor.