Abstract: This invention relates to an automatically regulated gaseous mixer for small universal gas engine comprising a mixer body, a choker, an air inlet port, a main gas passage, a main metering jet, a mixture outlet port, a throttle valve, a gas connecting passage and an auxiliary gas passage, which is characterized in that an auxiliary gas passage is set parallel to the main gas passage and connected through a vertical gas passage. Its top end is linked to the main gas passage and the lower end is connected with the auxiliary gas passage, one end of the auxiliary passage is connected with the mixture outlet port. The shaft of throttle valve is in line with auxiliary gas passage and is extended into the auxiliary gas passage to form an automatically regulated valve. The advantages of this invention are simple and compact; practical and reliable.

Abstract: This invention relates to an automatically regulated gaseous mixer for small universal gas engine comprising a mixer body; a choker, an air inlet port, a main gas passage, a main metering jet, a mixture outlet port, a throttle valve, a gas connecting passage and an auxiliary gas passage, which is characterized in that an auxiliary gas passage is set parallel to the main gas passage and connected through a vertical gas passage. Its top end is linked to the main gas passage and the lower end is connected with the auxiliary gas passage, one end of the auxiliary passage is connected with the mixture outlet port. The shaft of throttle valve is in line with auxiliary gas passage and is extended into the auxiliary gas passage to form an automatically regulated valve. The advantages of this invention are simple and compact; practical and reliable.

Abstract: A gas mixer of universal small combustion-gas engine for automatically controlling amount of combustion gas is provided, which includes a casing, a choker, an air inlet, a combustion-gas passage, a main jet, a mixture outlet, a throttle valve, a passage, an additional combustion-gas passage and an gas automatically adjusting valve, the air inlet is provided on the upper end of a chamber of the casing, the chocker is provided under the air inlet, the combustion gas passage is provided on the side of the chamber of the casing, the main jet is provided on the front end of the combustion-gas passage and is connected with the chamber of the casing, the mixture outlet is provided on the lower end of the chamber of casing and the throttle valve is provided above the mixture outlet and under the combustion-gas passage, the additional combustion-gas passage is provided on rear end of the throttle valve, the passage is provided between the combustion-gas passage and the additional combustion-gas passage, the upper end