Supports – Machinery support – Bracket
Reexamination Certificate
2000-07-28
2003-01-14
Chin-Shue, Alvin (Department: 3634)
Supports
Machinery support
Bracket
Reexamination Certificate
active
06505808
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates, in general, to an apparatus for mounting an engine for automobiles and, more particularly, to an apparatus for mounting an engine for automobiles with an engine mount fixed to the top surface of an inner part of a front side member.
2. Description of the Prior Art
As well known to those skilled in the art, an engine of an automobile is a source of vibration noise of the automobile during operation of the engine. Particularly, the vibration impact from the engine during operation is directly applied to the engine mount. Some conventional engine mounts are provided with a rubber shock absorber for absorbing impact applied from an engine to the engine mount during a power stroke of the engine. Such conventional engine mounts are so-called “rubber mounts.”
Nowadays, hydro-mounts for engines have been proposed for use in place of such rubber mounts.
FIGS. 1 and 2
show the lower portion of a conventional hydro-mount for engines.
As shown in the drawings, the conventional hydro-mount for engines comprises an outer part
14
of a front side member mounted to the inside edge of a fender apron front panel
12
, and an inner part
16
of the front side member mounted to the outer part
14
.
A reinforcing bracket
18
is set within the inner part
16
of the front side member while being welded to the interior surface of the part
16
. A hydro-mounting cup
20
is mounted to the top surface of the inner part
16
using a first locking means
22
consisting of nuts and bolts. In such a case, the locking means
22
integrates the mounting cup
20
, the inner part
16
of the front side member and the reinforcing bracket
18
into an assembly. The upper portion of the hydro-mount is locked to the fender apron front panel
12
using a second locking means
24
.
As shown in
FIG. 3
, the reinforcing bracket
18
is an angled member having an L-shaped cross-section, with two boltholes
26
being formed on the bracket
18
and receiving two bolts of the locking means
22
.
However, such a conventional hydro-mount has the following structural defect. That is, the vibration impact from an engine during operation is less likely to be applied to the second locking means
24
, which mounts the upper portion of the hydro-mount to the fender apron front panel
12
. However, most of the vibration impact is applied to the first locking means
22
, which mounts the hydro-mounting cup
20
to the top surface of the inner part
16
. Therefore, the conventional hydro-mount is undesirably reduced in its structural strength.
SUMMARY OF THE INVENTION
Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide an apparatus for mounting an engine for automobiles, which improves the structural strength of the engine mount, thus accomplishing a desired vibration intercepting effect of the engine mount and reducing vibration noise of the engine during operation of the engine.
In order to accomplish the above object, the present invention provides an apparatus for mounting an engine for automobiles with an engine mount fixed to the top surface of an inner part of a front side member, comprising a reinforcing bracket set within the inner part of the front side member while being welded to the interior surface of the inner part. In addition, a pipe nut is firmly and vertically set in the reinforcing bracket and engages with a locking bolt, which mounts a hydro-mounting cup of the engine mount to the top surface of the inner part of the front side member.
In the above apparatus, the reinforcing bracket is vertically concaved at a desired portion, thus forming a vertical concaved part having a subcylindrical surface, while the pipe nut is set in the concaved part while being welded to the subcylindrical surface of the concaved part.
REFERENCES:
patent: 4899703 (1990-02-01), Buferne
patent: 5312080 (1994-05-01), Mazur
patent: 6230585 (2001-05-01), Bator
patent: 6260814 (2001-07-01), Mathews
Chin-Shue Alvin
Christie Parker & Hale LLP
Hyundai Motor Company
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