Compound turbocharger system for an internal combustion engine

Pumps – Successive stages – Stages driven by relatively movable motor working members

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60612, 417364, 417380, F04B 1700

Patent

active

045631328

ABSTRACT:
A compound turbocharger system for an engine/compressor unit is disclosed including a pair of conventional turbochargers including turbine components connected in series to convert exhaust gas energy from the engine cylinders into mechanical energy for driving a pair of impeller-type compressor components arranged to supply sufficient quantities of air to the intake manifold of the engine cylinders and to the intake manifold of the compressor cylinders. In one embodiment, the impeller-type compressor components are arranged in parallel. In a second embodiment, the impeller-type compressor components are arranged in series with the air supplied to the intake manifold of the engine cylinders being provided by the first compressor component. Smooth operation of the engine/compressor unit including substantial self-proportioning of the air boost to both the engine cylinders and compressor cylinders is assured by means of a compressor cylinder control means and engine throttle means for adjusting total compressed air output and engine rpm to the compressed air being utilized by enabling or disabling compressor cylinders one at a time in succession and by correspondingly adjusting the fuel flow to the engine cylinders. A compound turbocharger system is also disclosed for supplying compressed air to an air pressure operated conveyor.

REFERENCES:
patent: 883888 (1908-04-01), Keller
patent: 2628015 (1953-02-01), Neugebauer et al.
patent: 2849173 (1958-08-01), Surdy
patent: 3204859 (1965-09-01), Crooks
patent: 3250068 (1966-05-01), Vulliamy
patent: 3462074 (1969-08-01), Grimmer
patent: 3667865 (1972-06-01), Faldi
patent: 3941104 (1976-03-01), Egli
patent: 4232997 (1980-11-01), Grimmer et al.

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