专利名称：ANEROID CONTROL FOR FUEL INJECTION
PUMP
发明人：Derrick W. Pratt,James E. Curtis申请号：US10010232申请日：20011207
公开号：US20020069854A1公开日：20020613
专利附图：
摘要：A control mechanism functions as a dual stage controller that is alternately andindependently responsive to engine oil pressure and intake manifold pressure to adjustfuel delivery by one or more unit pumps. Engine oil pressure is delivered as a control
input to one end of a piston bore. Manifold air pressure acts on a diaphragm to deliveranother control input which acts on a control piston disposed for reciprocation in thebore. The diaphragm and associated control rod are axially opposed to the end of thebore to which engine oil pressure is delivered. During engine start up, oil pressure is lowand a spring bias moves the control piston in a direction to increase fuel delivery. Duringstart up, the control piston position is dependent upon engine oil pressure independentof manifold air pressure. After start up, the control piston position is a function ofmanifold air pressure independent from engine oil pressure.
申请人：PRATT DERRICK W.,CURTIS JAMES E.
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