Patents Assigned to Gervase Instruments, Limited
  • Low pressure loss fluid flow meter
    Patent number: 3979956
    Abstract: A fluid flow meter comprising a flow tube of generally circular cross section in which is mounted a pair of generally semicircular vanes arranged for pivotal movement about a common diametral axis, said vanes being biased by resilient means into positions so as to close the tube and fluid flow indicating means for measuring gas flow rates in the range including flare gas flows and furnace combustion air flows.
    Type: Grant
    Filed: July 16, 1975
    Date of Patent: September 14, 1976
    Assignee: Gervase Instruments, Limited
    Inventor: Arthur Joseph Bennett