IP Library Granted Patent US 8,102,094
Granted Patent B2
US 8,102,094 · App. 12/309,458 · Granted Jan 24, 2012

Device for connecting an electric motor intended for use in a fuel tank, in particular of a motor vehicle

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Quick Facts
Patent No.
US 8,102,094
App. No.
12/309,458
Granted
Jan 24, 2012
Kind
B2
Abstract

A device for connecting an electric motor intended for use in a fuel tank, in particular of a motor vehicle, with connection contacts carbon brushes sliding over an armature of a rotor, and electrical leads arranged between the connection contacts and the carbon brushes. The electrical leads have a sheath made of polytetrafluoroethylene.

Claims (28)

1. A device for connecting an electric motor configured for use in a fuel tank, the electric motor comprising an armature of a rotor the device comprising:

at least one brush configured to slide over the armature of the rotor;

at least one connector contact; and

an electric lead coupled between the at least one connector contact and the at least one brush,

wherein the electric lead has a sheath comprising polytetrafluoroethylene with a wall thickness is less than or equal to about 0.1 mm.

2. The device according to claim 1 , further comprising an inductor coupled between the electric lead and the connector contact.

3. The device according to claim 2 , further comprises a capacitor having a first and a second contact, wherein the first contact is coupled to the at least one connector contact.

4. The device according to claim 1 , wherein the sheath wall thickness is 0.1 mm.

5. A motor assembly comprising:

a housing;

a rotor rotatably mounted in the housing;

an armature coupled to the rotor configured to provide power to the rotor;

a plurality of brushes slideably coupled to the armature;

a plurality of electric leads, each of the plural leads having a first end electrically coupled to a respective one of the plural brushes;

a polytetrafluoroethylene sheath enveloping each of the plural leads ,said sheath having a respective wall thickness of less than or equal to about 0.1 mm; and

an interference suppression part coupled to the plural leads.

6. The motor assembly of claim 5 , wherein the interference suppression part comprises:

a plurality of inductors, a respective one of the plural inductor connected in series with each of the plural leads;

a plurality of contacts, each of the plural contacts connected to at least one of the plural inductors; and

at least one capacitor connected between two of the plural contacts.

7. The motor assembly of claim 6 , wherein the electrical lead is external to the housing.

8. The motor assembly of claim 7 , wherein each of the plural sheaths forms a seal between the lead and the housing.

9. The motor assembly of claim 8 , wherein each of the plural leads is a copper lead.

10. The motor assembly of claim 7 , wherein the interference suppression part further comprises a body configured to retain the plural inductors, the plural contacts, and the at least one capacitor.

11. The motor assembly of claim 10 , wherein the body of the interference suppression part is plastic.

12. The motor assembly according to claim 5 , wherein each of the plural leads is the extrusion coated.

13. The motor assembly according to claim 12 , wherein the extrusion coating is one of PTFE 20 and PTFE 21 .

14. The device according to claim 5 , wherein the sheath wall thickness is 0.1 mm.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 31, 2020
From: CONTINENTAL AUTOMOTIVE GMBH
To: VITESCO TECHNOLOGIES GMBH
Reel/Frame 053371/0846 →