Description:Complete Specification

The following specification describes and ascertains the nature of this invention and the manner in which it is to be performed.
Field of the invention
[0001] This invention relates to a dampener that is positioned between an ECU connector and an ECU cable to dampen vibrations induced between the ECU connector and the ECU cable.

Background of the invention
[0002] CN 105545476 A describes a V-shaped eight-cylinder double-ECU electric engine harness. The V-shaped eight-cylinder double-ECU electric engine harness comprises a one-cylinder oil sprayer joint, a two-cylinder oil sprayer joint, a three-cylinder oil sprayer joint, a four-cylinder oil sprayer joint, a five-cylinder oil sprayer joint, a six-cylinder oil sprayer joint, a seven-cylinder oil sprayer joint, an eight-cylinder oil sprayer joint, an intake temperature pressure sensor joint, a machine oil temperature pressure sensor joint, a first rail pressure sensor joint, a crankshaft rotating speed sensor joint, a second rail pressure sensor joint, a cam shaft rotating speed sensor joint, a fuel metering unit sensor joint, a water temperature sensor joint and leads for respectively connecting with all the devices, and further comprises a first fulcrum, a second fulcrum, a third fulcrum, a fourth fulcrum, a fifth fulcrum, a sixth fulcrum, a seventh fulcrum, an eight fulcrum, a main ECU plug and a slave ECU plug. The V-shaped eight-cylinder double-ECU electric engine harness is simple in structural distribution, prevents renewed development of ECU under the precondition of satisfying use requirements, reduces the design cost and period, and improves the economy.

Brief description of the accompanying drawing
[0003] Figure 1 illustrates a dampener that is positioned between an ECU connector and an ECU cable to dampen vibrations induced between the ECU connector and the ECU cable in one embodiment of the invention.

Detailed description of the embodiments
[0004] Figure 1 illustrates a fuel metering unit 100. The fuel metering unit 100 comprises a fuel metering unit connector 110 comprising a fuel metering unit connector pin 120, and an electronic control unit connector 130 comprising an electronic control unit connector pin 140, the electronic control unit connector pin 140 adapted to mate with the fuel metering unit connector pin 120. A cable 150 of an electronic control unit is inserted through the electronic control unit connector 130, and a rubber washer 160 secured between the cable 150 of the electronic control unit and the electronic control unit connector 130, the rubber washer 160 adapted to dampen vibrations induced by the cable 150 of the electronic control unit on the electronic control unit connector 130.

[0005] In an exemplary embodiment, Figure 1 illustrates a fuel metering unit 100. The fuel metering unit 100 comprises a fuel metering unit connector 110 comprising a fuel metering unit connector pin 120 located at an end of the fuel metering unit. In addition, the electronic control unit connector 130 comprises an electronic control unit connector pin 140 located at an end of the electronic control unit connector 130. In the exemplary embodiment, the electronic control unit connector pin 140 is adapted to mate with the fuel metering unit connector pin 120 so as to constitute a unitary assembly when the two components are assembled together. A cable 150 of an electronic control unit is inserted through the electronic control unit connector 130 and secured therein to the electronic control unit connector 130. In addition, a rubber washer 160 is secured between the cable 150 of the electronic control unit and the electronic control unit connector 130 in an interference fit arrangement. More specifically, the rubber washer 160 is adapted to dampen vibrations induced by the cable 150 of the electronic control unit on the electronic control unit connector 130. Due to the dampening of the vibrations induced by the cable 150 of the electronic control unit on the electronic control unit connector 130 by the rubber washer 160, the electronic control unit does not receive a significant portion of the vibrations therein. Therefore, during the operation of the electronic control unit connector 130 and the fuel metering unit connector 110, the electronic control unit connector pin 140 does not disengage from the fuel metering unit connector pin 120 and remain secured to one another.

[0006] In an exemplary embodiment, the fuel metering unit 100 comprises a rubber envelope 170 secured between the cable 150 of the electronic control unit and the electronic control unit connector 130. The rubber envelope 170 is adapted to dampen the vibrations induced by the cable 150 of the electronic control unit on the electronic control unit connector 130. More specifically, the rubber envelope 170 is adapted to circumscribe the rubber washer 160 secured between the cable 150 of the electronic control unit and the electronic control unit connector 130. The rubber envelope 170 is adapted to absorb vibrations induced by the rubber washer 160. Due to the larger surface area of the rubber envelope 170, the vibrations induced by the rubber washer 160 are absorbed by the rubber envelope 170 thus damping out the vibrations and minimizing the transfer of vibrations from the rubber envelope 170 to the electronic control unit connector 130.

[0007] In a further exemplary embodiment, a rubber washer 160 is described. The rubber washer 160 comprises a circular shaped portion 180. A bore 190 is defined within the circular shaped portion 180. The bore 190 of the circular shaped portion 180 of the rubber washer 160 is inserted through the cable 150 of the electronic control unit such that the rubber washer 160 forms a tight interference fit with the cable 150 of the electronic control unit.

[0008] In a further exemplary embodiment, a rubber envelope 170 is described. The rubber envelope 170 comprises a conical shaped portion 195. A bore is defined within the conical shaped portion 195. The bore of the conical shaped portion 195 of the rubber envelope 170 is inserted through the cable 150 of the electronic control unit such that the rubber envelope 170 forms a tight interference fit with the cable 150 of the electronic control unit. More specifically, the rubber envelope 170 circumscribes the rubber washer 180 that is inserted through the cable 150 of the electronic control unit such that the rubber envelope 170 circumscribes the rubber washer 160.

[0009] It must be understood that the embodiments explained above are only illustrative and do not limit the scope of the disclosure. Many modifications in the embodiments with regard to dimensions of various components are envisaged and form a part of this invention. The scope of the invention is only limited by the scope of the claims.

, Claims:We Claim

1. A fuel metering unit (100), said fuel metering unit (100) comprising:
a fuel metering unit connector (110) comprising a fuel metering unit connector pin (120);
an electronic control unit connector (130) comprising an electronic control unit connector pin (140), said electronic control unit connector pin (140) adapted to mate with said fuel metering unit connector pin (120);
a cable (150) of an electronic control unit inserted through said electronic control unit connector (130), and
a rubber washer (160) secured between said cable (150) of said electronic control unit and said electronic control unit connector (130), said rubber washer (160) adapted to dampen vibrations induced by said cable (150) of said electronic control unit on said electronic control unit connector (130).

2. The fuel metering unit (100) in accordance with Claim 1, further comprising a rubber envelope (170) secured between said cable (150) of said electronic control unit and said electronic control unit connector (130), said rubber envelope (170) adapted to dampen vibrations induced by said cable (150) of said electronic control unit on said electronic control unit connector (130).

3. The fuel metering unit (100) in accordance with Claim 1, wherein said rubber envelope (170) is adapted to circumscribe said rubber washer (160) secured between said cable (150) of said electronic control unit and said electronic control unit connector (130) and adapted to absorb vibrations induced by said rubber washer (160).

4. A rubber washer (160), said rubber washer (160) comprising:
a circular shaped portion (180); and
a bore (190) defined within said circular shaped portion, the bore (190) of said circular shaped portion of said rubber washer (160) inserted through said cable (150) of said electronic control unit such that the rubber washer (160) forms a tight interference fit with said cable (150) of said electronic control unit.

5. A rubber envelope (170), said rubber envelope (170) comprising:
a conical shaped portion (195); and
a bore defined within said conical shaped portion (195), the bore of said conical shaped portion (195) of said rubber envelope (170) inserted through said cable (150) of said electronic control unit such that the rubber washer (180) forms a tight interference fit with said cable (150) of said electronic control unit.

6. The rubber envelope (170) in accordance with Claim 5, wherein said rubber envelope (170) circumscribes a rubber washer (180) that is inserted through said cable (150) of said electronic control unit such that the rubber envelope (170) circumscribes said rubber washer (180).