IP Library › Granted Patent US 7,013,920
Granted Patent B2
US 7,013,920 · App. 10/708,334 · Granted Mar 21, 2006

Valve, especially proportional solenoid valve

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Quick Facts
Patent No.
US 7,013,920
App. No.
10/708,334
Granted
Mar 21, 2006
Kind
B2
Abstract

A valve has a solenoid part and a valve part connected to the solenoid part. The valve part has a housing provided with connecting bores for a pressure medium, including a pressure connector and working connectors. The valve part has a piston and the solenoid part acts on the piston to alternatingly connect the working connectors to the pressure connector. The valve part has at least one groove extending alongside the valve part. At least one of the connecting bores is positioned in the at least one groove.

Claims (26)

1. A valve comprising:

a solenoid part;

a valve part connected to the solenoid part;

wherein the valve part has a housing provided with connecting bores for a pressure medium;

wherein the valve part comprises a piston and wherein the solenoid part acts on the piston to alternatingly connect the connecting bores to one another;

wherein the valve part has at least one groove extending alongside the valve part;

wherein at least one of the connecting bores is positioned in the at least one groove;

wherein the valve part comprises a sleeve and the at least one groove is provided in the sleeve;

wherein the valve part comprises a valve member having an annular groove, wherein the sleeve is pushed onto the valve member and surrounds the valve member, wherein at the bottom of the at least one groove a bore is provided that communicates with the annular groove of the valve member of the valve part.

2. The valve according to claim 1 , wherein the at least one groove extends in an axial direction of the valve.

3. The valve according to claim 1 , wherein the connecting bores each are located in a separate one of the at feast one groove.

4. The valve according to claim 3 , wherein a diameter of the connecting bores matches a width of the separate one of the at least one groove, respectively.

5. The valve according to claim 1 , wherein a diameter of the connecting bores matches a width of the at least one groove.

6. The valve according to claim 1 , wherein the valve is a cartridge valve.

7. The valve according to claim 1 , wherein the valve is a proportional solenoid valve.

8. A valve comprising:

a solenoid part;

a valve part connected to the solenoid part;

wherein the valve part has a housing provided with connecting bores for a pressure medium;

wherein the valve part comprises a piston and wherein the solenoid part acts on the piston to alternatingly connect the connecting bores to one another;

wherein the valve part has several grooves that extend axially within the valve part and are distributed at a spacing from one another in a circumferential direction of the valve part; and

wherein the connecting bores each are positioned in one of the several grooves, respectively.

9. The valve according to claim 8 , wherein the several grooves are provided in the housing of the valve part.

10. The valve according to claim 8 , wherein a diameter of the connecting bores matches a width of the several grooves, respectively.

11. The valve according to claim 8 , wherein the valve is a cartridge valve.

12. The valve according to claim 8 , wherein the valve is a proportional solenoid valve.

Assignments (1)
ASSIGNMENT OF SECURITY INTEREST Recorded Nov 10, 2009
From: BEAR STEARNS CORPORATE LENDING, INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 023546/0938 →