US 6,418,903 B2 · Connection of a crankcase of a reciprocating-piston internal combustion engine with a cylinder housing

Abstract

The invention relates to a connection of a crankcase (3) of an internal combustion engine (1) to a cylinder housing (2) of which at least one housing part is made of light metal. The housing parts (2, 3) lie with their respective housing flanges (4, 5) in surface contact one against the other and are clamped seal-tight to each other with the aid of retaining screws (7). The retaining screws (7) are of light metal and a curing liquid seal (18) is between the housing flanges (4, 5) so as to lie against both sides. In this way, a connection for a light metal cylinder housing (2) with a crankcase (3) is achieved by using light metal housing materials. A reliable seal is provided which is permanently resistant to the operating loads of the engine (1).

Claims12

Dependent claims

A connection of a crankcase housing of a reciprocating-piston internal combustion engine with a cylinder housing, the connection comprising:

first and second housing flanges formed on said crankcase housing and said cylinder housing, respectively;
said crankcase housing and said cylinder housing being positioned so as to cause said first and second flanges to lie one atop the other thereby conjointly defining an interface;
at least one of said crankcase housing and said cylinder housing being made of a light metal;
a cured liquid seal disposed between said flanges at said interface;
and,
a plurality of retaining screws made of light metal and being arranged so as to tightly clamp said flanges together.

3 more elements

Dependencies are inferred from the claim text.

Connection of a crankcase of a reciprocating-piston internal combustion engine with a cylinder housing

Life of this patent

Connection of a crankcase of a reciprocating-piston internal combustion engine with a cylinder housing

Life of this patent

Abstract

Claims12