Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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F02M
SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
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11/00
Multi-stage carburettors, Register-type carburettors, i.e. with slidable or rotatable throttling valves in which a plurality of fuel nozzles, other than only an idling nozzle and a main one, are sequentially exposed to air stream by throttling valve
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F02M11/02
with throttling valve, e.g. of flap or butterfly type, in a later stage opening automatically
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F02M11/04
the later stage valves having damping means
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F02M11/04

Surge relief valve
11221083 · 2022-01-11 · ·

A surge relief angle valve (SRA) is disclosed. The surge relief angle valve is held normally-closed by one or more compression spring(s). In certain embodiments the surge relief angle valve includes a body containing a disc and disc seat; a piston and shaft, the piston and shaft in communication with the disc and disc seat; and a spring providing a force against the piston; wherein the spring is enclosed within a housing and wherein the surge relief valve has a closed self-contained hydraulic system containing the piston and shaft, and providing a dampening force against the spring force.

SURGE RELIEF VALVE
20190032804 · 2019-01-31 ·

A surge relief angle valve (SRA) is disclosed. The surge relief angle valve is held normally-closed by one or more compression spring(s). In certain embodiments the surge relief angle valve includes a body containing a disc and disc seat; a piston and shaft, the piston and shaft in communication with the disc and disc seat; and a spring providing a force against the piston; wherein the spring is enclosed within a housing and wherein the surge relief valve has a closed self-contained hydraulic system containing the piston and shaft, and providing a dampening force against the spring force.