Patents by Inventor Lars Norberg

Lars Norberg 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).

  • Regulating valve for engines operated by a medium under pressure
    Patent number: 6164906
    Abstract: A regulating valve for engines operated by a medium under pressure, in particular compressed air operated engines, in order to regulate the flow of compressed air to the engine to provide a substantially constant revolution rate at varying load, the regulating valve being provided with a valve body for controlling the momentary volume flow through the regulating valve.
    Type: Grant
    Filed: September 21, 1999
    Date of Patent: December 26, 2000
    Assignee: Adevus Teknik AB
    Inventors: Lars Norberg, Hans Aiderborn
  • Energy source for large heating systems
    Patent number: 4055299
    Abstract: An energy source for large heating systems, such as municipal systems, is disclosed which includes a heat pump driven directly by an internal combustion engine. The exhaust gases from the engine are passed through a heat exchanger to provide additional heat input to hot water leaving the condenser of the heat pump. In one embodiment, the exhaust gases also provide heat input to the evaporator of a second heat pump unit also driven directly by the internal combustion engine.
    Type: Grant
    Filed: August 4, 1976
    Date of Patent: October 25, 1977
    Assignee: Stal-Laval Turbin AB
    Inventors: Lars Norberg, Erik Olsson
  • Releasable axial clutch
    Patent number: 3935934
    Abstract: A releasable, self-locking axial clutch for firmly coupling two shafts having axially relatively movable end portions secured to their respective ends and an axially displaceable clutch piece between the end portions for transmitting a torque therebetween includes mating conical surfaces on the respective end portions and thus automatically provides mutual centering, parallelism and good fit of the end portions when drawn tightly together.
    Type: Grant
    Filed: July 1, 1974
    Date of Patent: February 3, 1976
    Assignee: Stal-Laval Turbin AB
    Inventor: Lars Norberg