Crankcase for a piston machine

Details Crankcase for a piston machine Crankcase for a piston machine

1997-07-03

1999-02-09

Lo, Weilun

Internal-combustion engines

Frame construction

Horizontal cylinder

123195H, 92261, 384432, F02F 700

Patent

active

058681108

ABSTRACT:
In a crankcase for a piston machine having a bearing support structure for a crankshaft main bearing with a bearing base part integrally formed with the bearing support structure and a bearing cover mounted onto the bearing base part by bearing bolts extending into bolt mounting columns, the bearing support structure includes a transverse wall which extends between the crankcase walls, the bearing support base and the bearing base part and includes a rib structure of an increased wall thickness formed between the bearing base part and the bearing support base and having a recess in the area between the end of a mounting bolt bore in the bolt mounting column and the bearing support base providing for a force flux path which istributes the force flux evenly over the length of the threaded mounting bolt bore area.

REFERENCES:
patent: 2752896 (1956-07-01), Emele et al.
patent: 3941114 (1976-03-01), Seifert
patent: 4189193 (1980-02-01), Schumacher
patent: 4836159 (1989-06-01), Lobig
patent: 4876998 (1989-10-01), Wunsche

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