Turbocharger control system
Patent
·
OSTI ID:5803868
An altitude compensating turbocharger controller for an internal combustion engine is described comprising: (a) a support housing; (b) an aneroid bellows connected to the housing; (c) a control valve assembly having a pressure input for receiving a pressure signal indicative of an output pressure of a turbo charger, a vent port connected to ambient air pressure, a pressure output port, and valving structure; (d) a force transmitting lever pivotally supported by the housing and operatively connected to the aneroid bellows and the valving structure; (e) a force transmitting lever effective to transmit biasing forces generated by the bellows to the valving structure in response to sensed atmospheric pressure. The output pressure changes to produce a differential pressure force acting on the valving structure to oppose the bellows generated biasing force. The differential pressure force reacts against the bellows force via the force transmitting lever to limit the degree of extension and retraction of the bellows to incremental amounts from a predetermined degree of extension.
- Assignee:
- Ranco Incorporated, Dublin, OH
- Patent Number(s):
- US 4703625
- OSTI ID:
- 5803868
- Country of Publication:
- United States
- Language:
- English
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