Modular engine having crankshaft segments connected by a spring

Details Modular engine having crankshaft segments connected by a spring Modular engine having crankshaft segments connected by a spring

1999-05-20

2000-10-31

Wolfe, Willis R.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

F02B 7700

Patent

active

061386359

ABSTRACT:
An internal combustion engine includes three engine modules. Each engine module having an associated crankshaft segment. A first clutch is provided for connecting the first crankshaft segment to the second crankshaft segment such that the first and second crankshafts are indexed at 90.degree. with respect to one another. A second clutch is provided for connecting the second crankshaft segment to the third crankshaft segment such that the second and third crankshaft segments are indexed at 90.degree. with respect to one another. A spring connects the first crankshaft segment via the first clutch to the second crankshaft segment. The spring winds to cause the second crankshaft segment to lag behind the first crankshaft segment 30.degree. such that the first, second, and third crankshafts rotate at 60.degree. intervals with respect to one another when the first, second, and third engine modules are in operation and the first, second, and third crankshafts are connected. The spring also causes the first and second crankshafts to remain indexed at 90.degree. with respect to one another when the first and second engine modules are in operation and the first and second crankshafts are connected and the third crankshaft is disconnected from the second crankshaft.

REFERENCES:
patent: 4367704 (1983-01-01), Maucher et al.
patent: 4368701 (1983-01-01), Huber et al.
patent: 4373481 (1983-02-01), Kriiger et al.
patent: 4722308 (1988-02-01), Wall
patent: 5092293 (1992-03-01), Kaniut
patent: 5156122 (1992-10-01), Kaniut

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