Patents by Inventor Darran Norman

Darran Norman 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: 7766610
    Abstract: Annular or ring-segment-shaped cavities (2, 7) which are formed in particular in multi-shell (11; 12, 13) casings of turbomachines are preferably provided with suitable means for compensating for forming temperature stratifications. According to the invention, an overflow passage (14) connects two points of the cavity to one another which are situated in different circumferential positions. Arranged in the overflow passage (14) is an ejector (17) which can be operated with a motive fluid and which serves to drive a flow through the overflow passage from an upstream end (15) to a downstream end (16).
    Type: Grant
    Filed: October 7, 2005
    Date of Patent: August 3, 2010
    Assignee: Alstom Technology Ltd
    Inventors: Armin Busekros, Darran Norman, Matthias Rothbrust
  • Publication number: 20060073010
    Abstract: Annular or ring-segment-shaped cavities (2, 7) which are formed in particular in multi-shell (11; 12, 13) casings of turbomachines are preferably provided with suitable means for compensating for forming temperature stratifications. According to the invention, an overflow passage (14) connects two points of the cavity to one another which are situated in different circumferential positions. Arranged in the overflow passage (14) is an ejector (17) which can be operated with a motive fluid and which serves to drive a flow through the overflow passage from an upstream end (15) to a downstream end (16).
    Type: Application
    Filed: October 7, 2005
    Publication date: April 6, 2006
    Applicant: ALSTOM Technology Ltd
    Inventors: Armin Busekros, Darran Norman, Matthias Rothbrust