Pressure wave supercharger with vibration damped rotor

Details Pressure wave supercharger with vibration damped rotor Pressure wave supercharger with vibration damped rotor

1986-01-16

1987-03-03

Husar, Stephen F.

Internal-combustion engines

Charge forming device

Supercharger

60 3945, 417 64, F02B 3300

Patent

active

046467041

ABSTRACT:
A pressure wave supercharger for internal combustion engines, particularly those in motor vehicles, has a rotor, driven in proportion to the engine speed, with a plurality of rotor cells oriented parallel to its axis of rotation. The cells are connected, at one end, in the exhaust gas flow between the exhaust manifold and the exhaust system and, at the other end, in the intake air stream between the air intake and the intake manifold. Placed on the rotor and concentric therewith is a rigid vibration damping ring, which is contacted by a support, firmly attached to the rotor, so as to create friction. The friction produced by sliding of the rigid ring on the support, acts to absorb a large part of the vibration energy of the rotor and thereby, correspondingly, to eliminate the production of annoying noise.

REFERENCES:
patent: 3052107 (1962-09-01), Kempf
patent: 4269570 (1981-05-01), Rao

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