Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Patent
1983-11-28
1986-07-01
Hart, Douglas
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
F02B 3712
Patent
active
045972648
ABSTRACT:
A device for regulating the supercharging of an engine, of the type provided with a pressure limiting valve disposed in a branch of the supply duct of a turbine of the turbo compressor unit and operable to regulate the flow rate of gas supplied to the turbine. The valve is pneumatically controlled by means of an actuator which detects the pressure difference between a first and a second chamber. The first chamber is connected to the atmosphere and the second chamber is connected with valve means for alternatively connecting this latter to the atmosphere and to an accumulator maintained at a substantially constant pressure different from atmospheric pressure, and for fluid tight sealing the second chamber, in such a way as to determine and then maintain in it a control pressure the value of which is variable continuously between that of the atmospheric pressure and that of the pressure in the said accumulator.
REFERENCES:
patent: 3818702 (1974-06-01), Woo
patent: 4099377 (1978-07-01), Yoshimura
patent: 4174617 (1979-11-01), Jalali-Karchay
patent: 4292806 (1981-10-01), Moore
patent: 4423713 (1984-01-01), Sami
patent: 4449367 (1984-05-01), Moriguchi
patent: 4461149 (1984-07-01), Suzuki
patent: 4466248 (1984-08-01), Nartowski
patent: 4467606 (1984-08-01), Chaffiotte
Fiat Auto S.p.A.
Hart Douglas
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