Expansible chamber devices – Plural flexible wall working members – Diaphragm type having working fluid contacting areas of...
Patent
1971-03-19
1976-03-02
Ostrager, Allen M.
Expansible chamber devices
Plural flexible wall working members
Diaphragm type having working fluid contacting areas of...
92 36, 92 48, 92134, 60611, F02B 3700
Patent
active
039410358
ABSTRACT:
A control unit which is particularly useful in controlling the output pressure of a turbocharger in response to the manifold pressure with compensation for pressure drop at the throttle characterized by a reference unit disposed in the housing for the manifold pressure to act on and at least one diaphragm extending across said housing to apply the pressure differential between the manifold pressure and the output pressure of the turbocharger. In one embodiment, the reference unit includes a bellows of a predetermined volume of gas which schedules the displacement of the reference unit in response to the temperatures of the gases of the manifold. Another embodiment includes an additional diaphragm and valve means for applying additional pressures to the reference means to compensate for the altitude for the system to prevent overspeeding of the turbocharger.
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Ostrager Allen M.
TRW Inc.
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