Piston with turbine fan for use in internal combustion engines

Details Piston with turbine fan for use in internal combustion engines Piston with turbine fan for use in internal combustion engines

1986-01-23

1987-12-15

Feinberg, Craig R.

Internal-combustion engines

Means to whirl fluid before, upon, or after entry into...

Structural projection on working piston causes whirling

123590, 123279, F02F 324, F02M 2900

Patent

active

047125268

ABSTRACT:
A new piston design is disclosed for use in internal combustion engines. The invention consists of a piston that has a turbine insert installed inside an internal cavity. The turbine insert has a set of turbine blades mounted under the piston head. The piston head has an inlet port, located in the center of the piston head, and a series of outlet ports concentrically placed around the perimeter of the piston head. In practice, the air fuel mixture in the cylinder is forced into the piston through the piston inlet port as the piston is moved towards the cylinder head during the compression stroke. The air fuel mixture is then swirled by the turbine blades within the piston and then forced out of the piston through the outlet ports. One embodiment of the invention uses angled outlet ports that help direct the air/fuel mixture to the center of the cylinder. A second embodiment of the invention disloses a threaded turbine assembly instead of the pin-held insert of the first embodiment.

REFERENCES:
patent: 1590204 (1926-06-01), Powell
patent: 1818339 (1931-08-01), Lang
patent: 2762348 (1956-09-01), Meurer
patent: 4357915 (1982-11-01), Monsour
patent: 4455974 (1984-06-01), Shapiro et al.
patent: 4487179 (1984-12-01), Hercher

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