Patents by Inventor Bjorn Holmgren

Bjorn Holmgren 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: 10458563
    Abstract: A valve arrangement including: a valve inlet, a valve outlet arranged downstream of the valve inlet, a first chamber arranged directly downstream of the inlet, and a second chamber arranged between the first chamber and the valve outlet. The valve arrangement further includes a measuring nipple comprising a measuring channel for receiving a measuring device, and a closing arrangement having open positions and a closed position, wherein the closing arrangement in its closed position is configured to prevent fluid communication between the first chamber and the second chamber via the closing arrangement, and wherein the closing arrangement in its open positions is configured to allow for fluid communication between the first chamber and the second chamber via the closing arrangement.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: October 29, 2019
    Assignee: IMI HYDRONIC ENGINEERING INTERNATIONAL SA
    Inventors: Björn Holmgren, Leif Marstorp, Andreas Jonsson
  • Publication number: 20170241559
    Abstract: A valve arrangement including: a valve inlet, a valve outlet arranged downstream of the valve inlet, a first chamber arranged directly downstream of the inlet, and a second chamber arranged between the first chamber and the valve outlet. The valve arrangement further includes a measuring nipple comprising a measuring channel for receiving a measuring device, and a closing arrangement having open positions and a closed position, wherein the closing arrangement in its closed position is configured to prevent fluid communication between the first chamber and the second chamber via the closing arrangement, and wherein the closing arrangement in its open positions is configured to allow for fluid communication between the first chamber and the second chamber via the closing arrangement.
    Type: Application
    Filed: April 29, 2015
    Publication date: August 24, 2017
    Applicant: IMI HYDRONIC ENGINEERING INTERNATIONAL SA
    Inventors: Björn HOLMGREN, Leif MARSTORP, Andreas JONSSON
  • Patent number: 7735514
    Abstract: The description relates to a device for the regulation of the amount of a medium in a heating or cooling system, comprising a combined valve, which in one and the same valve housing includes one part for pressure difference regulation (2) and one part for flow limitation (3), the flow being limited in a stepless, adjustable way, i.e. the device obtaining an adjustable Kvs-value. Also, the chosen Kvs-value can be limited by a plunger, which always can operate with its complete stroke length.
    Type: Grant
    Filed: July 7, 2005
    Date of Patent: June 15, 2010
    Assignee: Tour & Andersson AB
    Inventors: Leif Marstorp, Björn Holmgren
  • Publication number: 20090223654
    Abstract: A device for coordination of installation components of a heating or cooling system. The device includes a number of distributors (3) with functional components (5). The distributors are mounted in a profile (4), which is fixed in a complete installation unit (1). The profile (4) provides the distributors with a rotational mounting position and facilitates subsequent servicing of the installation components or installation of additional distributors to supplement the installation unit.
    Type: Application
    Filed: June 8, 2007
    Publication date: September 10, 2009
    Applicant: TOUR & ANDERSSON AB
    Inventors: Björn Holmgren, Jan-Olof Jonsson
  • Publication number: 20070262279
    Abstract: The description relates to a device for the regulation of the amount of a medium in a heating or cooling system, comprising a combined valve, which in one and the same valve housing includes one part for pressure difference regulation (2) and one part for flow limitation (3), the flow being limited in a stepless, adjustable way, i.e. the device obtaining an adjustable Kvs-value. Also, the chosen Kvs-value can be limited by a cone, which always can operate with its complete stroke length.
    Type: Application
    Filed: July 7, 2005
    Publication date: November 15, 2007
    Inventors: Leif Marstorp, Bjorn Holmgren
  • Patent number: D554249
    Type: Grant
    Filed: April 9, 2007
    Date of Patent: October 30, 2007
    Assignee: Tour & Andersson AB
    Inventor: Björn Holmgren
  • Patent number: D628679
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: December 7, 2010
    Assignee: Tour & Andersson AB
    Inventor: Bjorn Holmgren