Patent Application
20140110558
This application is based on and claims priority from Korean Patent Application No. 10-2012-0118358, filed on Oct. 24, 2012 in the Korean Intellectual Property Office, the disclosure of which is incorporated herein in its entirety by reference.
1. Field of the Invention
The present invention relates to a parallel engine mount structure, and more particularly, to a parallel engine mount structure that minimizes the height of an engine mount by separating a driver mounted on the engine mount.
2. Description of the Prior Art
In general, vehicles are equipped with an engine mount for power train to prevent vibration generated from the power train from being transmitted to the vehicle bodies by effectively supporting the power train. The engine mount for a power train which supports an engine and a transmission is configured to reduce vibration and noise generated by the engine, in addition to supporting the power train.
Further, in the engine mount structure of the related art, as shown in
However, since the driver is disposed under the engine mount in the engine mount structure of the related art, the size of the engine mount increases and thus, the degree of freedom in the layout may be difficult to be secured and thus space is not efficiently used, causing a coupling feature of a frame to deteriorate.
Accordingly, the present invention provides a parallel engine mount structure which may minimize the height of an engine mount by separating a driver mounted on the engine mount.
In one aspect of the present invention, a parallel engine mount structure may include: a main rubber having a core at a upper portion thereof and a fluid chamber at a lower portion thereof; a housing shaped bracket disposed around the main rubber; a first membrane mounted under the fluid chamber of the main rubber and configured to reduce vibration; an orifice plate disposed under the first membrane; a first cylinder operating together with the orifice plate; and a driver disposed on one outer side of the bracket.
The driver may be an electromagnet. In addition, the driver may further include: a second cylinder connected with the first cylinder; and a second membrane disposed on the second cylinder. The second membrane may further include a vibrating plate formed vertically, and an armature corresponding to the vibrating plate may be disposed in the driver. The engine mount structure may further include a connection pipe that connects the first cylinder with the second cylinder.
The above and other objects, features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which:
It is understood that the term “vehicle” or “vehicular” or other similar term as used herein is inclusive of motor vehicles in general such as passenger automobiles including sports utility vehicles (SUV), buses, trucks, various commercial vehicles, watercraft including a variety of boats and ships, aircraft, and the like, and includes hybrid vehicles, electric vehicles, combustion, plug-in hybrid electric vehicles, hydrogen-powered vehicles and other alternative fuel vehicles (e.g. fuels derived from resources other than petroleum).
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms “a”, “an” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms “comprises” and/or “comprising,” when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term “and/of” includes any and all combinations of one or more of the associated listed items.
Exemplary embodiments of the present invention will be described hereinafter in detail with reference to the accompanying drawings.
A parallel engine mount structure of the present invention, as shown in
The main rubber 100 may be made of rubber and may be disposed on an exterior surface of the core 110. The fluid chamber 120 may be disposed under the main rubber 100, to allow fluid to flow within the engine mount. The bracket 130 may be disposed around the main rubber 100 and may be formed in the shape of a housing, to form the outer shape of the engine mount (e.g., the bracket 130 may be formed as an enclosure surrounding the main rubber 100). The first membrane 140, may be configured to reduce vibration of the engine mount and may be mounted under the fluid chamber 120 of the main rubber 100. The orifice plate 150 may be disposed under the first membrane 140 and may be configured to allow fluid to flow within the engine mount. The orifice plate 150 may be configured to operate together with the first cylinder 160 to allow the first cylinder 160 to move horizontally with flow of fluid, to allow a second cylinder 210 to be described below to be operated.
The driver 200, may be disposed at a first end of the outer side of the bracket 130 and may be configured to further reduce vibration. The driver 200 may include the second cylinder 210 that operates with the first cylinder 160 and a second membrane 220 disposed on the second cylinder 210, wherein the second cylinder 210 may be configured to be operated by the first cylinder 160 which may be operated by flow of fluid through the orifice plate 150 under the fluid chamber 120, and the second membrane 220 on the second cylinder 210 may be configured to further reduce vibration. Furthermore, the first cylinder 160 and the second cylinder 210 may be connected by a connection pipe P.
The driver 200 may be an electromagnet, and may include a vibrating plate 230 disposed above the second membrane 220, and an armature 240 disposed within the driver 200 to correspond to the vibrating plate 230, thus, when the driver 200 is an electromagnet the driver 200 may be configured to operate with generation of vibration, the armature 240 and the vibration plate 230 may correspond to each other and move the second membrane 220, thereby reducing vibration.
Since the parallel engine mount is formed by mounting the driver 200 on the outer side of the bracket 130 in the present invention, it may be possible to decrease the height of the engine mount and reduce vibration, using the first membrane 140 and the second membrane 220 disposed inside the bracket 130 and within the driver 200, respectively.
The orifice plate 150 may connect upper and lower liquid chambers disposed under the main rubber 100 inside the bracket 130 and the operational principle of the parallel engine mount structure of the present invention is described in relation to this configuration as follows.
When pressure is applied by the second membrane 220, fluid may be configured to flow toward the first membrane 140 by Pascal's principle (as known in the art) wherein when pressure is applied to fluid in a sealed container, the pressure is uniformly transmitted, and vibration of the engine mount may reduce.
Further, when no pressure is present, a substantially small amount of vibration transmitted to the first membrane 140 may be transmitted to the second membrane 220, thus, the armature 240 may attenuate the vibration, operating as a damper. Further, the first cylinder 160 inside the bracket 130 and the second cylinder 210 within the driver 200 may increase/decrease the magnitude of force, based on the size under Pascal's law.
As described above, according to the present invention, the bracket 130 and the driver 200 may be horizontally arranged, to reduce the size of the engine mount. Further, as shown in
According to the present invention, it may be possible to secure the degree of freedom in layout and improve space efficiency by decreasing the height of the engine mount, by separating the driver from the engine mount, to appropriately increase/decrease force transmitted between the engine mount and the driver by adjusting the size of the driver and the sizes of the first and second cylinders, and to improve a commercial value by attenuating vibration using the membranes, even when the driver is not used.
Although the present invention was described with reference to exemplary embodiments and drawings, the present invention is not limited thereto and may be changed and modified in various ways within the spirit of the present invention and claims described below by those skilled in the art.
| Number | Date | Country | Kind |
|---|---|---|---|
| 10-2012-0118358 | Oct 2012 | KR | national |
