# US 2019/0170107 A1 · Sealing Enclosure for a Starter of an Internal Combustion Engine, and Fastening Arrangement of a Lead on Such a Starter

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- Number: US 2019/0170107 A1
- Document ID: US20190170107A1
- Status: Published application
- Kind: A1
- Application number: 16/270,823
- Filed: 2019-02-08
- Published: 2019-06-06
- Earliest claimed: 2016-09-06
- Assignees: Bayerische Motoren Werke Aktiengesellschaft
- Applicants: Bayerische Motoren Werke Aktiengesellschaft
- Inventors: Christian MAIER
- Web page: https://patentgrep.com/patent/US20190170107A1

## CPC

- F02N 11/04: the motors being associated with current generators
- F02N 15/006: {Assembling or mounting of starting devices}
- H02K 5/10: with arrangements for protection from ingress, e.g. water or fingers
- H02K 5/225: {Terminal boxes or connection arrangements (specially adapted for submersible motors H02K5/132)}
- H02K 11/33: Drive circuits, e.g. power electronics (H02K11/38 takes precedence)
- F02N: STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53})

## Abstract

A sealing enclosure for a starter, which can be connected to at least one lead for transmitting electric power, for starting an internal combustion engine of a motor vehicle, having at least one enclosure element with a receiving area in which at least one first contact of the starter and at least one second contact of the lead that is different from the starter, is provided in addition to the starter, and runs at least partly outside of the starter can be received. A first opening opens into the receiving area and via which the first contact can be plugged into the receiving area. A second opening opens into the receiving area and via which the second contact can be plugged into the receiving area in order to electrically connect the first contact to the second contact. The sealing enclosure also has a sealing device by which the receiving area is to be sealed in a water-tight manner, thereby sealing the openings in a water-tight manner.

## Claims

### Claim 1

A sealing enclosure for a starter that is connectable to at least one lead for transmitting electric current for starting an internal combustion engine for a motor vehicle, comprising:
at least one enclosure element, wherein
the enclosure element has a receiving space, in which at least one first contact element of the starter and at least one second contact element of the lead, which second contact element is different from the starter and provided in addition to the starter and which runs at least partly outside of the starter, is receivable, the enclosure element has a first opening, which leads into the receiving space and via which the first contact element is insertable into the receiving space,
the enclosure element has a second opening, which leads into the receiving space and via which, for electrically contacting the first contact element to the second contact element, the second contact element is insertable into the receiving space, and
the enclosure element has a sealing device, by which the receiving space is sealed watertight by watertight sealing of the first and second openings.

### Claim 2 (depends on 1)

The sealing enclosure as claimed in claim 1, wherein
the sealing device has at least one first sealing element for sealing the first opening.

### Claim 3 (depends on 2)

The sealing enclosure as claimed in claim 2, wherein
the first sealing element is composed of a plastic and injection-molded onto the enclosure element of the sealing enclosure.

### Claim 4 (depends on 3)

The sealing enclosure as claimed in claim 3, wherein
the first sealing element is composed of a first plastic, and the enclosure element is composed of a second plastic that is different from the first plastic.

### Claim 5 (depends on 1)

The sealing enclosure as claimed in claim 1, further comprising:
a cover, which is realized such that the cover is separate from the enclosure element and is connectable in a reversibly detachable manner to the enclosure element, wherein
the second opening is at least partly closable by the cover.

### Claim 6 (depends on 5)

The sealing enclosure as claimed in claim 5, wherein
the sealing device comprises at least one second sealing element, held on the cover, for sealing the second opening.

### Claim 7 (depends on 6)

The sealing enclosure as claimed in claim 6, wherein
the cover has a feedthrough opening for the lead.

### Claim 8 (depends on 7)

The sealing enclosure as claimed in claim 7, wherein
the second sealing element is designed to seal the lead against the cover, and to seal the cover against the enclosure element.

### Claim 9 (depends on 1)

The sealing enclosure as claimed in claim 1, wherein
the enclosure element has a third opening, which leads into the receiving space and via which at least one fastening element, for fastening the first contact element to the second contact element, and/or for fastening the sealing enclosure to the starter, is insertable into the receiving space.

### Claim 10

A fastening arrangement of a lead for transmitting electric current to a starter for starting an internal combustion engine for a motor vehicle, in which the starter is electrically connected to the lead via at least one first contact element of the starter and at least one second contact element of the lead, which second contact element is different from the starter and provided in addition to the starter and which runs at least partly outside of the starter, the fastening arrangement comprising:
a sealing enclosure, the sealing enclosure comprising at least one enclosure element, wherein the enclosure element has:
a receiving space in which the contact elements are received,
a first opening, which leads into the receiving space and via which the first contact element is inserted into the receiving space,
a second opening, which leads into the receiving space and via which the second contact element, electrically connected in the receiving space to the first contact element, is inserted into the receiving space, and
a sealing device, by which the receiving space is sealed watertight by watertight sealing of the first and second openings.

### Claim 11 (depends on 10)

The fastening arrangement as claimed in claim 10, wherein
the sealing device has at least one first sealing element for sealing the first opening.

### Claim 12 (depends on 11)

The fastening arrangement as claimed in claim 11, wherein
the first sealing element is composed of a plastic and injection-molded onto the enclosure element of the sealing enclosure.

### Claim 13 (depends on 12)

The fastening arrangement as claimed in claim 12, wherein
the first sealing element is composed of a first plastic, and the enclosure element is composed of a second plastic that is different from the first plastic.

### Claim 14 (depends on 10)

The fastening arrangement as claimed in claim 10, wherein
a cover, which is realized such that the cover is separate from the enclosure element and is connectable in a reversibly detachable manner to the enclosure element, wherein
the second opening is at least partly closable by the cover.

### Claim 15 (depends on 14)

The fastening arrangement as claimed in claim 14, wherein
the sealing device comprises at least one second sealing element, held on the cover, for sealing the second opening.

### Claim 16 (depends on 15)

The fastening arrangement as claimed in claim 15, wherein
the cover has a feedthrough opening for the lead.

### Claim 17 (depends on 16)

The fastening arrangement as claimed in claim 16, wherein
the second sealing element is designed to seal the lead against the cover, and to seal the cover against the enclosure element.

### Claim 18 (depends on 10)

The fastening arrangement as claimed in claim 10, wherein
the enclosure element has a third opening, which leads into the receiving space and via which at least one fastening element, for fastening the first contact element to the second contact element, and/or for fastening the sealing enclosure to the starter, is insertable into the receiving space.
