Supports – Resilient support – Suspended
Reexamination Certificate
1999-07-23
2001-04-03
Braun, Leslie A. (Department: 3632)
Supports
Resilient support
Suspended
C248S058000, C248S634000, C248S589000, C248S573000, C248S059000, C248S070000
Reexamination Certificate
active
06209844
ABSTRACT:
BACKGROUND OF THE INVENTION
The invention relates to an arrangement for supporting an exhaust system on a motor vehicle by way of a support element.
Such a support arrangement is disclosed, for example, in DE 44 40 188 A1. An object of this arrangement is to accommodate the substantial thermal expansion of the exhaust system.
However, the known arrangement is a relatively complicated construction, so that it is very difficult to install. Furthermore, the arrangement described in the above document can not be removed without being damaged so that the support elements have to be replaced each time the exhaust system is exchanged.
A further arrangement for mounting an exhaust system to a motor vehicle is known from U.S. Pat. No. 2,609,837. In this case, a retaining means is fastened to the exhaust system by way of a sleeve and can be pivoted in relation to a further retaining means.
However, this arrangement is designed for use in motorbikes and cannot be used in motor vehicles for the purpose of accommodating the thermal expansion of an exhaust system.
With regard to the general prior art relating to arrangements for mounting an exhaust system to a motor vehicle, reference is further made to DE 44 17 651 C1 and DE 42 07 583 A1.
The object of the present invention is to provide an arrangement for elastically mounting an exhaust system to a motor vehicle, whereby the thermal expansion of the exhaust system can be accommodated, and which ensures good lateral guidance of the exhaust system and by which the exhaust system can be mounted to the motor vehicle in a stress-free manner.
SUMMARY OF THE INVENTION
In an arrangement for supporting an exhaust system on a motor vehicle, a mounting element is connected to a motor vehicle part, a support element is pivotally connected to the mounting element, and an intermediate retaining means, which is connected to the exhaust system, is pivotally supported by the support element, the pivot axes of the support element and the mounting element and of the intermediate retaining means being parallel and disposed in spaced relationship and so oriented that the support element is pivotable in the longitudinal direction of the exhaust system so as to permit expansion of the exhaust system.
The connection of the exhaust system to the mounting element via the intermediate support element provides for a double joint which can absorb the thermal expansion of the exhaust system in a pivotal movement of the support element in the longitudinal direction of the exhaust system. The support element can be deflected freely if the exhaust system changes its length, since the support element may rotate in relation to the intermediate retaining means.
Preferably, the mounting element consists of an elastomer material, whereby vibrations occurring in the exhaust system are not transmitted to the motor vehicle. It is advantageous to use a large amount of elastomer material for the mounting element with the result that the vibrations are effectively damped.
It is further advantageous if the retaining element is connected to the intermediate retaining means via a spring arrangement.
The spring arrangement provides for the support element to be safely joined to the intermediate retaining means such that the two parts can pivot with respect to one another without rattling noises when they move relative to one another.
Further advantageous embodiments of the invention will become apparent from the following description thereof, shown, by way of example, in accompanying drawings.
REFERENCES:
patent: D. 316957 (1991-05-01), Kent
patent: 2609837 (1952-09-01), Enander
patent: 2912198 (1959-11-01), Fell, Jr.
patent: 3270992 (1966-09-01), Cassel
patent: 4339919 (1982-07-01), Jobling et al.
patent: 4638965 (1987-01-01), De Bruine et al.
patent: 4828533 (1989-05-01), Focqueur et al.
patent: 4893778 (1990-01-01), Drabing et al.
patent: 5649685 (1997-07-01), Keller
patent: 42 07 583 (1993-09-01), None
patent: 44 40 188 (1995-05-01), None
patent: 44 17 651 (1995-10-01), None
patent: D. 502776 (1989-03-01), None
Brücker Iris
Gensert Heiko
Bach Klaus J.
Braun Leslie A.
Daimler-Chrysler AG
Wujciak A. Joseph
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