Internal-combustion engines – Two-cycle – Rear compression
Patent
1994-07-11
1996-01-02
Macy, Marguerite
Internal-combustion engines
Two-cycle
Rear compression
F02F 700, F02B 2514
Patent
active
054798949
ABSTRACT:
In a two-stroke internal combustion engine with an engine block including a crankcase and a cylinder housing receiving pistons which are connected to a crankshaft by crosshead rods with crossheads guided for linear movement with the piston and a connecting rod extending between the crosshead and the crankshaft, wherein the cylinders have walls with inlet and outlet slits disposed above the bottom dead-center position of the piston and providing for communication between the cylinder and inlet and outlet channel structures formed in the cylinder housing around the pistons, the engine block consists of a cylinder housing and a crankcase joined along a dividing plane extending across the engine block below the lowest piston ring when the piston is in its bottom position and the cylinder housing includes channel structures which are open toward the dividing plane and have walls extending inwardly and have inner surfaces in engagement with the piston for guiding said piston and to form, with the piston skirt, the gas inlet and outlet channels through which gases are supplied to, and discharged from, the cylinder.
REFERENCES:
patent: 1198497 (1916-09-01), Wheeler
patent: 1311148 (1919-07-01), Burns
patent: 1378254 (1921-05-01), MacDonald
patent: 1794405 (1931-03-01), Humpert
patent: 3382857 (1968-05-01), Foster et al.
patent: 4115037 (1978-09-01), Butler
Patent Abstracts of Japan vol. 12 No. 19 (M-679(2938) Mar. 24, 1988.
KSZ 90/160 of MAN from "Design and Principal Dimensions of the Internal Combustion Engine", Harald Maass, Springer Verlag Dec. 1979, p. 214, Fig. 5.62.
Hoppe Alfred
Karl Gunter
Munzenmaier Jurgen
Noltemeyer Friedrich
Rusch Friedrich
Bach Klaus J.
Macy Marguerite
Mercedes-Benz AG
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