FIELD: internal combustion engine supply systems. SUBSTANCE: gaseous fuel pressure regulator has a housing with inlet and outlet chambers, valve with hollow rod loaded with sensitive element, rod in the form of two stacks of membrane pairs; pairs in inlet chamber are formed by lesser and larger membranes located in succession and pairs in outlet chamber are formed by larger and lesser membranes located in succession; chambers between these pairs of membranes are connected withoutlet chamber by means of radial holes in hollow rod; chamber of at least one of pairs of membranes is filled with liquidand is connected with engine cooling system. EFFECT: enhanced efficiency. 6 cl, 1 dwg
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