Vibration damping system for injection systems of motor vehicles, in particular for fuel injection systems, and injection system including such a vibration damping system

Patent metadata

Field	Value
Publication number	US-11078875-B2
Application number	US-201816754361-A
Country	US
Kind code	B2
Filing date	Sep 20, 2018
Priority date	Nov 15, 2017
Publication date	Aug 3, 2021
Grant date	Aug 3, 2021

Abstract

A vibration damping system for injection systems of motor vehicles includes an actively controllable actuator element, which is situated at a component of the injection system. The actuator element is situated at the component in such a way that, during operation of the injection system a vibration reduction of the injection system is achieved with the aid of an active control of the actuator element.

First claim

What is claimed is:

1. A vibration damping system for an injection system of a motor vehicle, comprising:
at least one actively controllable actuator element which is situated at a component of the injection system, the actuator element being situated at the component in such a way that, during operation of the injection system, a vibration reduction of the injection system is achieved using an active control of the actuator element,
wherein the actively controllable actuator element is situated between a connecting piece of a fluid-conducting component of the fuel injection system and a connector of a metering valve.

2. The vibration damping system as recited in claim 1 , further comprising:
a control unit configured to, during operation of the injection system, actively control the actuator element, the control unit configured in such a way that, during operation of the injection system, the vibration reduction of the injection system is achieved using the active control of the actuator element, which enables a damping of a sound emission of the injection system and/or a reduction of at least one vibration load of the injection system.

3. The vibration damping system as recited in claim 2 , further comprising:
an injection control unit for the injection system, the injection control unit configured to control at least one metering valve of the injection system and/or to detect at least one operating variable of the injection system, the control unit being integrated into the injection control unit, and is configured to controls the actuator element as a function of the control of the metering valve and/or the operating variable of the injection system.

4. The vibration damping system as recited in claim 1 , wherein the connector of the metering valve is suspended on the connecting piece of the fluid-conducting component using the actively controllable actuator element.

5. The vibration damping system as recited in claim 1 , wherein an additional actively controllable actuator element is situated freely at an outer side of a fluid-conducting component of the fuel injection system.

6. The vibration damping system as recited in claim 1 , wherein an additional actively controllable actuator element is supported at an outer side of a fluid-conducting component of the fuel injection system and/or at or in a holder of the injection system.

7. The vibration damping system as recited in claim 6 , wherein the additional actively controllable actuator element is supported at the holder which is connected to a fixed bearing, or at a fixed bearing.

8. The vibration damping system as recited in claim 1 , wherein the fluid-conducting component is a fluid distributor which is configured to store and/or distribute fluid among multiple metering valves.

9. An injection system for mixture-compressing, spark ignition internal combustion engines, the system comprising:
at least one fluid-conducting component;
at least one component configured as a metering valve; and
a vibration damping system including at least one actively controllable actuator element which is situated at a component of the injection system, the actuator element being situated at the component in such a way that, during operation of the injection system, a vibration reduction of the injection system is achieved using an active control of the actuator element,
wherein the actively controllable actuator element is situated between a connecting piece of a fluid-conducting component of the fuel injection system and a connector of a metering valve.

Assignees

• Bosch Gmbh Robert

Inventors

• Rehwald Andreas
• Weber Ralf

Classifications

• F02M2200/302

  using electrical means · CPC title

• F16F7/1005

  characterised by active control of the mass · CPC title

• F16F7/104

  the inertia member being resiliently mounted {(F16F7/1022 takes precedence)} · CPC title

• F02M61/14 Primary

  Arrangements of injectors with respect to engines; Mounting of injectors · CPC title

• F02M2200/856

  characterised by mounting injector to fuel or common rail, or vice versa · CPC title