# US 2019/0316701 A1 · Valve

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- Number: US 2019/0316701 A1
- Document ID: US20190316701A1
- Status: Published application
- Kind: A1
- Application number: 16/471,863
- Filed: 2017-12-13
- Published: 2019-10-17
- Earliest claimed: 2016-12-22
- Assignees: CPT Group GmbH
- Applicants: CPT GROUP GmbH
- Inventors: Rosario BONANNO
- Web page: https://patentgrep.com/patent/US20190316701A1

## CPC

- F16K 27/029: {Electromagnetically actuated valves}
- F16K 31/0686: {Braking, pressure equilibration, shock absorbing}
- F02B 37/16: by bypassing charging air
- F16K 31/0655: {Lift valves}
- F16K: VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING {(devices for emptying and evacuating the excess liquid in valves or conduits F16L55/07)}
- F02B: INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL (gas-turbine plants F02C; hot-gas or combustion-product positive-displacement engine plants F02G)

## Abstract

A valve having a housing, a solenoid arranged in the housing, a pin movable by the solenoid, a piston connected to the pin, a second housing part that bears against the housing and which partially surrounds the piston, and a seal for sealing off the valve. The second housing part is composed of metal, and the seal, which seals off the valve, is arranged on that side of the second housing which faces toward the housing.

## Claims

### Claim at position 1

-11. (canceled)

### Claim 12

A valve comprising:
a housing;
a solenoid arranged in the housing;
a pin movable by the solenoid;
a piston connected to the pin;
a second housing part composed of metal that bears against the housing and which partially surrounds the piston; and
a seal for sealing off the valve arranged on that side of the second housing part which faces toward the housing.

### Claim 13 (depends on 12)

The valve as claimed in claim 12, wherein the second housing part is composed of at least one of high-grade steel and a chromium-nickel steel.

### Claim 14 (depends on 12)

The valve as claimed in claim 12, wherein the second housing part is a deep-drawn part.

### Claim 15 (depends on 12)

The valve as claimed in claim 12, wherein the second housing part has a wall thickness of at least one of 0.3 mm to 3 mm and 0.5 mm to 1 mm.

### Claim 16 (depends on 12)

The valve as claimed in claim 12, wherein the second housing part has, at its side facing toward the housing, a radially outwardly projecting edge.

### Claim 17 (depends on 16)

The valve as claimed in claim 16, wherein the seal is arranged at an edge due to the seal surrounding at least one region of the edge.

### Claim 18 (depends on 17)

The valve as claimed in claim 17, wherein the edge has recesses and the seal penetrates the recesses.

### Claim 19 (depends on 17)

The valve as claimed in claim 17, wherein the edge at least one of 2 to 20 recesses, 3 to 12 recesses, and 4 to 8 recesses.

### Claim 20 (depends on 18)

The valve as claimed in claim 18, wherein the recesses are circular or are extended along a circumference of the edge.

### Claim 21 (depends on 18)

The valve as claimed in claim 18, wherein the recesses account for no more than one of 30% of an area of the edge and no more than 20% of the area of the edge.

### Claim 22 (depends on 12)

The valve as claimed in claim 12, wherein the second housing part is pressed together with the housing.

### Claim 23 (depends on 22)

The valve as claimed in claim 22, wherein the second housing part is pressed together with a cylindrical portion of the housing.

### Claim 24 (depends on 17)

The valve as claimed in claim 17, wherein the edge has recesses that are circular or are extended along a circumference of the edge.