Patents by Inventor Avraham Zacharin

Avraham Zacharin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Well pump system
    Patent number: 9920767
    Abstract: Provided is a well pump system that includes a pressure pipe, a rotatable shaft surrounded by a plurality of bearings, a pumping mechanism mounted to the pressure pipe and having a plurality of pump impellers mounted to a second end of the shaft, a rotating mechanism mounted to a first end of the shaft and configured for rotating it within the bearings, thereby causing the pump impellers to move the fluid in the pressure pipe, and at least one non-return valve configured for assuming at least two states including a first, opened state, in which the second pipe chamber is in fluid communication with the first pipe chamber, and a second, closed state, in which the non-return valve obstructs the fluid communication between the first and the second pipe chambers, thereby lubricating them.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: March 20, 2018
    Assignee: MEKOROT WATER COMPANY, LTD
    Inventors: Gavriel Klain, Avraham Zacharin, Gennadi Heifetz, Igor Kolodin
  • WELL PUMP SYSTEM
    Publication number: 20140199159
    Abstract: Provided is a well pump system that includes a pressure pipe, a rotatable shaft surrounded by a plurality of bearings, a pumping mechanism mounted to the pressure pipe and having a plurality of pump impellers mounted to a second end of the shaft, a rotating mechanism mounted to a first end of the shaft and configured for rotating it within the bearings, thereby causing the pump impellers to move the fluid in the pressure pipe, and at least one non-return valve configured for assuming at least two states including a first, opened state, in which the second pipe chamber is in fluid communication with the first pipe chamber, and a second, closed state, in which the non-return valve obstructs the fluid communication between the first and the second pipe chambers, thereby lubricating them.
    Type: Application
    Filed: August 9, 2012
    Publication date: July 17, 2014
    Applicant: MEKOROT WATER COMPANY, LTD
    Inventors: Gavriel Klain, Avraham Zacharin, Gennadi Heifetz, Igor Kolodin