Patents by Inventor Humberto Ferreira da Câmara

Humberto Ferreira da Câmara 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: 8777589
    Abstract: A system for actuation in an admission valve of a gas compressor including an admission valve being configured to allow the input of gas inside the cylinder upon the axial movement of the piston in a first axial direction; and a discharge valve configured to allow the output of gas from inside the cylinder upon the axial movement of the piston in a second axial direction opposite to the first axial direction. The system includes at least one actuator element, operatively associated with the admission valve, capable of keeping the admission valve open when the electric motor stops and starts-up. The actuator element is also capable of allowing opening and closing of the admission valve upon the regime of work of the electric motor. The present development also refers to refrigeration equipment which includes the above-mentioned gas compressor.
    Type: Grant
    Filed: November 26, 2009
    Date of Patent: July 15, 2014
    Assignee: Whirlpool S.A.
    Inventors: Egidio Berwanger, Humberto Ferreira da Câmara, Edmar Baars, Ingwald Vollrath
  • Publication number: 20110311382
    Abstract: The present invention refers to a system for actuation in an ad mission valve (5) of a gas compressor (1) comprising at least: one set formed by a cylinder (2) and a piston (3); one electric motor (4), operatively associated with said set, capable of providing an axial movement of the piston (3) to compress the gas inside the cylinder (2), the admission valve (5) being configured to allow the input of gas inside the cylinder (2) upon the axial movement of the piston (3) in a first axial direction; and a discharge valve (6) configured to allow the output of gas from inside the cylinder (2) upon the axial movement of the piston (3) in a second axial direction opposite to the first axial direction. The system comprises at least one actuator element (7), operatively associated with the admission valve (5), capable of keeping the admission valve (5) open when the electric motor (4) stops and starts-up.
    Type: Application
    Filed: November 26, 2009
    Publication date: December 22, 2011
    Inventors: Egidio Berwanger, Humberto Ferreira da Câmara, Edmar Baars, Ingwald Vollrath