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Liquid aeration system and method
A system for aerating liquid within a liquid retention structure including a liquid delivery tube in fluid communication with a gas exchange chamber and a pump. The gas exchange chamber includes an air inlet and a gas outlet. The pump is configured to pump liquid within the liquid retention structure through the liquid delivery tube and into the gas exchange chamber so that harmful gases contained within the liquid escape from the liquid and exit through the gas outlet. Fresh air enters into the gas exchange chamber through the air inlet and is absorbed into the liquid within the gas exchange chamber.
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| Liquid+aeration+system+and+method |
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Carburetor automatic control system in engine
A carburetor automatic control system in an engine includes, a temperature-sensitive operating device for operating a choke valve so that the choke valve is opened with a temperature increase of the engine and a governor for opening and closing a throttle valve to maintain a preset rotational speed of the engine. The governor device includes, a stepping motor opening and closing the throttle valve over a range from an idling opening degree to a fully opening degree, and an electronic control unit driving the stepping motor so that the rotational speed of the engine is maintained the preset speed. A relief mechanism is interposed between the choke valve and the temperature-sensitive operating device, the relief mechanism opening the choke valve in response to an intake vacuum pressure within the intake passage when the engine is in a cold state and the choke valve is in a fully closed state.
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| Carburetor+automatic+control+system+in+engine |
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