# US 8,783,410 B2 · Anti-corrosion electromechanical power steering

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- Number: US 8,783,410 B2
- Document ID: US8783410B2
- Status: Granted
- Kind: B2
- Application number: 13/505,974
- Filed: 2010-09-22
- Published: 2012-08-30
- Granted: 2014-07-22
- Earliest claimed: 2009-11-13
- Assignees: Thyssenkrupp Presta AG
- Applicants: Manfred Rombold; Thomas Lubojatzky
- Inventors: Manfred Rombold; Thomas Lubojatzky
- Web page: https://patentgrep.com/patent/US8783410B2

## CPC

- B62D 5/04: electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D 5/0403: {characterised by constructional features, e.g. common housing for motor and gear box}
- B62D: MOTOR VEHICLES; TRAILERS (steering, or guiding on a desired track, of agricultural machines or implements A01B69/00; wheels, castors, axles, increasing wheel adhesion B60B; vehicle tyres, tyre inflation or tyre changing B60C; connections between vehicles of a train or the like B60D; vehicles for use on rail and road, amphibious or convertible vehicles B60F; suspension arrangements B60G; heating, cooling, ventilating or other air treating devices B60H; windows, windscreens, non-fixed roofs, doors or similar devices, protective coverings for vehicles not in use B60J; propulsion plant arrangements, auxiliary drives, transmissions, controls, instrumentation or dashboards B60K; electric equipment or propulsion of electrically-propelled vehicles B60L; power supply for electrically-propelled vehicles B60M; passenger accommodation not otherwise provided for B60N; adaptations for load transportation or to carry special loads or objects B60P; arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; vehicles, vehicle fittings or vehicle parts not otherwise provided for B60R; servicing, cleaning, repairing, supporting, lifting, or manoeuvring, not otherwise provided for, B60S; brake arrangements, brake control systems or parts thereof B60T; air-cushion vehicles B60V; motor-cycles, accessories therefor B62J, B62K; testing of vehicles G01M)

## Abstract

An electrically driven or supported steering system may include a steering housing (1), an electric motor which is arranged in the steering housing (1) and a gear mechanism (2, 3), there being arranged in the inner space of the steering system a plastics injection-molded component (6, 13) which is provided with a VCI material.

## Claims

### Claim 1

An electrically driven or supported steering system, including:
a steering housing,
an electric motor which is arranged in the steering housing,
a gear mechanism of the steering system, and
a plastics injection-moulded component, wherein plastics material used to create the plastics injection-moulded component incorporates a vapor-phase corrosion inhibitor (VCI) material, and wherein the plastics injection-moulded component is arranged in an inner space of the steering system.

### Claim 2 (depends on 1)

The steering system according to claim 1, wherein the plastics injection-moulded component is a component of the steering system that would otherwise exist as part of the steering system and is not added as an additional component.

### Claim 3 (depends on 1)

The steering system according to claim 1, wherein the plastics injection-moulded component comprises a plastics sleeve, a spacer piece or a securing element.

### Claim 4 (depends on 1)

The steering system according to claim 1, wherein the plastics injection-moulded component comprises a washer or an adapter.

### Claim 5 (depends on 1)

The steering system according to claim 1, wherein the plastics injection-moulded component comprises a bearing shell of a ball and socket joint or a base plate arranged for mounting a sensor.

### Claim 6 (depends on 1)

The steering system according to claim 1, wherein the plastics injection-moulded component is arranged close to a tubular end of the steering housing.

### Claim 7 (depends on 6)

The steering system according to claim 6, wherein the plastics injection-moulded component is an inserted resilient ring.

### Claim 8 (depends on 1)

The steering system according to claim 1, wherein the plastics injection-moulded component is configured to be changed together with a bellows.