FIELD: engines and pumps.
SUBSTANCE: invention relates to automotive industry. Gas exchange valve system (1) comprises valve body (4) translating in opposite directions (B1, B2), and valve body drive (12). Piston (14) of drive element (12) allows displacement valve body (4) in said directions (B1, B2). Piston (14) is driven by fluid relative to chamber (16). Said chamber (16) has working fluid intake. Gas exchange valve system (1) has throttling device (30) for temporarily throttling of working fluid at displacement of piston (14) in at least one direction (B1, B2). Throttling device (30) has several fluid throttling elements extending in piston (14) displacement directions (B1, B2). Throttling elements feature different cross-sections and are located radially outward of piston (14). Invention covers the ICE with above described gas exchange valve.
EFFECT: more frequent and stable operation of proposed valve.
15 cl, 5 dwg
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