Dividing Into Parallel Flow Paths With Recombining Patents (Class 137/599.01)
With fluid coupling (e.g., railway car hose coupling, truck-trailer oil system coupling, etc.) (Class 137/599.02)
System having plural inlets (Class 137/599.03)
Having digital flow controller (Class 137/599.05)
With multi way valve having serial valve in at least one branch (Class 137/599.08)
Fluid pressure regulator in at least one branch (Class 137/599.09)
Flow passage with bypass (Class 137/599.11)
Second valve assembly carried by first valve head (Class 137/599.16)
With foam controlling means (e.g., beer, soda faucets) (Class 137/600)
With common operator (Class 137/601.01)
Fluid actuated or retarded (Class 137/601.13)
Electrical actuator (Class 137/601.14)
Mechanical movement between actuator and valve (Class 137/601.15)
Rotary valve (Class 137/601.16)
Having guide or restrictor (Class 137/601.18)
Having direct response valve (e.g., check valve, etc.) (Class 137/601.2)
  • Fuel metering arrangement for a gas turbine engine
    Patent number: 6189312
    Abstract: A fuel metering arrangement has a fuel flow metering valve, a pressure drop regulator valve arranged and operable to maintain the pressure drop across the metering valve substantially constant and a throttle device arranged and operable to regulate fuel flow upon failure of the regulator valve in an insufficiently closed or fully open position.
    Type: Grant
    Filed: July 10, 1998
    Date of Patent: February 20, 2001
    Assignee: Lucas Industries plc
    Inventor: Trevor S. Smith