Rotary piston engine of trochoidal design

Details Rotary piston engine of trochoidal design Rotary piston engine of trochoidal design

1975-07-24

1976-11-30

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Plural working members or chambers

418125, F01C 102, F04C 1702, F01C 1904

Patent

active

039946371

ABSTRACT:
This invention relates to an improvement in a rotary piston engine of trochoidal design, of the epitrochoidal or hypotrochoidal type with an outer envelope, with the piston surface and/or housing bore being equidistant to the mathematically exact trochoid, and including a follow-up drive, the improvement comprising that the minus-equidistant of the piston and/or of the housing bore has a value exceeding 10% of that of the generating radius and smaller that that for which the piston contour is tangent with the follow-up drive in the dead center positions.

REFERENCES:
patent: 3226013 (1965-12-01), Toyoda et al.
patent: 3764239 (1973-10-01), Huf
patent: 3885897 (1975-05-01), Huf
patent: 3923430 (1975-12-01), Huf

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