초록

A valve with an inlet and an outlet as well as a return. In the inlet a first screen is provided. This screen is designed sharp or short.

대표청구항 ▼

1. A pressure control valve comprising an inlet,an outlet,a return,a first screen arranged at the inlet,the outlet being located between the first screen and a second screen,the first screen being sharp-edged or short, anda thin-walled screen carrier being designed as a disc,the first screen having

1. A pressure control valve comprising an inlet,an outlet,a return,a first screen arranged at the inlet,the outlet being located between the first screen and a second screen,the first screen being sharp-edged or short, anda thin-walled screen carrier being designed as a disc,the first screen having in the thin-walled screen carrier at least a partial cone shaped opening with tapering walls of the at least partial cone shaped opening extending continuously outwardly throughout a thickness of the first screen in a direction away from the inlet. 2. The pressure valve according to claim 1, wherein a ratio of length of the screen to diameter of the screen is less than 40%. 3. The pressure valve according to claim 1, wherein the thin-walled screen carrier is one piece with a valve housing. 4. The pressure valve according to claim 1, further comprising a valve housing made of synthetic material. 5. The pressure valve according to claim 1, further comprising a valve housing made of fiber reinforced synthetic material. 6. The pressure valve according to claim 1, wherein the thin-walled screen carrier consists of fiber reinforced synthetic material. 7. The pressure valve according to claim 1, wherein the thin-walled screen carrier consists of metal. 8. The pressure valve according to claim 1, wherein the thin-walled screen carrier is set in, welded in or glued in a valve housing, or the screen carrier is surrounded by injected material of a valve housing. 9. The pressure valve according to claim 1, wherein the first screen interacts with a sealing body a position of which to the first screen is controlled by a solenoid. 10. The pressure valve according to claim 1, wherein a screen diameter of at least the first screen is less than 2 mm. 11. The pressure valve according to claim 2, wherein a ratio of length of the screen to diameter of the screen is less than 30%. 12. The pressure valve according to claim 11, wherein a ratio of length of the screen to diameter of the screen is less than 20%. 13. The pressure valve according to claim 10, wherein a screen diameter of at least the first screen is less than 1.5 mm. 14. The pressure valve according to claim 13, wherein a screen diameter of at least the first screen is less than 1.2 mm.