F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
123/15
F02M 21/04 (2006.01) F02M 21/02 (2006.01) G05D 16/06 (2006.01)
Patent
CA 1205705
PRESSURE REGULATOR Abstract of the disclosure A pressure regulator assembly, suitable for controlling the flow of compressed natural gas to fuel an internal combustion engine, has a small primary valve positioned by a regulator diaphragm to control the flow at high supply pressures and a large secondary valve to provide additional flow area at low supply pressures. Flow to the primary valve passes through a chamber having a restricted aperture from the inlet, and a control diaphragm responsive to the pressure in the chamber opens the secondary valve when the primary valve reaches its maximum flow capacity and the pressure in the chamber approaches the regulated pressure.
447291
General Motors Corporation
Gowling Lafleur Henderson Llp
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