Patents by Inventor Bjarne VINTHER TOFT

Bjarne VINTHER TOFT 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).

  • Patent number: 10626872
    Abstract: A water supply system includes a water inlet connection (12), a water outlet connection (28), a centrifugal pump (3), an electric motor (5), an electrical/electronic control and a diaphragm tank (30). The centrifugal pump (3) and the diaphragm tank (30) are arranged above one another and are connected to one another via a construction unit (6). The construction unit (6) includes the water connections (12, 28), the conduit connections between the water connections (12, 28) and the pump (3), as well as a threaded connection piece (29) for the diaphragm tank (30).
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: April 21, 2020
    Assignee: GRUNDFOS HOLDING A/S
    Inventor: Bjarne Vinther Toft
  • Patent number: 10337516
    Abstract: A multi-stage, self-priming centrifugal pump assembly includes at least two pump stages (4) which are consecutive in a main flow direction (32), and a backflow channel (13) which lies parallel to at least one a pump stage (4). The backflow channel (13) runs out downstream of the first or a further pump stage (4), in the main flow direction (32).
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: July 2, 2019
    Assignee: GRUNDFOS HOLDING A/S
    Inventors: Bjarne Vinther Toft, Aage Bruhn
  • Publication number: 20170107986
    Abstract: A water supply system includes a water inlet connection (12), a water outlet connection (28), a centrifugal pump (3), an electric motor (5), an electrical/electronic control and a diaphragm tank (30). The centrifugal pump (3) and the diaphragm tank (30) are arranged above one another and are connected to one another via a construction unit (6). The construction unit (6) includes the water connections (12, 28), the conduit connections between the water connections (12, 28) and the pump (3), as well as a threaded connection piece (29) for the diaphragm tank (30).
    Type: Application
    Filed: October 13, 2016
    Publication date: April 20, 2017
    Inventor: Bjarne VINTHER TOFT
  • Publication number: 20160084253
    Abstract: A multi-stage, self-priming centrifugal pump assembly includes at least two pump stages (4) which are consecutive in a main flow direction (32), and a backflow channel (13) which lies parallel to at least one a pump stage (4). The backflow channel (13) runs out downstream of the first or a further pump stage (4), in the main flow direction (32).
    Type: Application
    Filed: April 29, 2014
    Publication date: March 24, 2016
    Inventors: Bjarne VINTHER TOFT, Aage BRUHN