IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0290995
(2008-11-04)
|
등록번호 |
US-8246121
(2012-08-21)
|
우선권정보 |
DE-10 2007 052 697 (2007-11-06) |
발명자
/ 주소 |
- Homann, Peter
- Kiel, Bernd-Joachim
- Rovira-Rifaterra, Juan
- Schappler, Hartmut
- Teichmann, Andreas
- Torhoff, Ingo
|
출원인 / 주소 |
|
대리인 / 주소 |
Kramer Levin Naftalis & Frankel LLP
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
5 |
초록
▼
A solenoid-valve unit for an electropneumatic controller, especially a pilot-control unit of an electropneumatic pressure modulator of a vehicle, includes a solenoid-valve unit having a valve-housing bottom with compressed-air bores, and solenoid valves having solenoids and displaceable magnet armat
A solenoid-valve unit for an electropneumatic controller, especially a pilot-control unit of an electropneumatic pressure modulator of a vehicle, includes a solenoid-valve unit having a valve-housing bottom with compressed-air bores, and solenoid valves having solenoids and displaceable magnet armatures. The solenoids are disposed outside of the valve-housing bottom. At least one pressure sensor for measuring pneumatic pressure in a compressed-air bore of the valve-housing bottom is placed in or on the valve-housing bottom. Electric leads to the solenoids and to the pressure sensor are routed to a common electrical interface.
대표청구항
▼
1. A solenoid-valve unit for an electropneumatic controller, comprising: a common valve-housing bottom having compressed-air bores;solenoid valves including solenoids and displaceable magnet armatures;at least one pressure sensor for measuring at least one pneumatic pressure, the at least one pressu
1. A solenoid-valve unit for an electropneumatic controller, comprising: a common valve-housing bottom having compressed-air bores;solenoid valves including solenoids and displaceable magnet armatures;at least one pressure sensor for measuring at least one pneumatic pressure, the at least one pressure sensor being disposed in the common valve-housing bottom and in communication with at least one of the compressed-air bores;first electrical leads for the solenoids;second electrical leads for the at least one pressure sensor, the solenoids being disposed outside of the common valve-housing bottom and the first and second electrical leads being routed to a common electrical interface;a control block fastened sealingly on the valve-housing bottom, the control block configured to receive the solenoids and the first and second-electrical leads between the electrical interface, the solenoids and the at least one pressure sensor; anda lead frame, at least a part of the lead frame including the first and second electrical leads, the control block being injection-molded around the lead frame and the solenoids. 2. The solenoid-valve unit according to claim 1, wherein the magnet armatures are inserted into the compressed-air bores formed from an upper side of the valve-housing bottom and the solenoids are mounted on top of the valve-housing bottom. 3. The solenoid-valve unit according to claim 2, further comprising, for each of the solenoid valves, a valve-guide tube for receiving respective ones of the magnet armatures, the valve-guide tube being inserted sealingly into respective ones of the compressed-air bores. 4. The solenoid-valve unit according to claim 1, wherein the solenoid valves comprise an inlet valve, an outlet valve, and a redundancy valve. 5. The solenoid-valve unit according to claim 1, wherein terminal pins of the solenoids and the at least one pressure sensor are at least one of welded and soldered to the lead frame. 6. The solenoid-valve unit according to claim 5, wherein the control block is a plastic control block. 7. The solenoid-valve unit according to claim 5, wherein the electrical interface is a plug connector for receiving a mating connector, the electrical interface being provided on an external side of the control block. 8. The solenoid-valve unit according to claim 7, wherein the mating connector is a vehicle cable harness plug connector. 9. The solenoid-valve unit according to claim 5, wherein the electrical interface includes at least one of projecting plug contacts and soldering pins, the at least one of plug contacts and soldering pins being configured to receive a circuit support, the electrical interface being provided on an external side of the control block. 10. The solenoid-valve unit according to claim 9, wherein the circuit support is a printed-circuit board. 11. The solenoid-valve unit according to claim 5, wherein the at least one pressure sensor and the solenoid valves are disposed substantially next to one another in a row. 12. The solenoid-valve unit according to claim 1, wherein the at least one pressure sensor includes terminals disposed in a line on the electrical interface, and the at least one pressure sensor is received with at least one of a tolerance and swiveling freedom in a direction that runs perpendicular to a line of connection and perpendicular to a direction of insertion of the at least one pressure sensor into the valve-housing bottom. 13. The solenoid-valve unit according to claim 1, wherein the at least one pressure sensor is connected by at least one of the compressed-air bores of the valve-housing bottom to an output region of a downstream relay valve. 14. A solenoid-valve unit for an electropneumatic controller, comprising: a valve-housing bottom having compressed-air bores;solenoid valves including solenoids and displaceable magnet armatures;at least one pressure sensor for measuring at least one pneumatic pressure disposed in the common valve-housing;first electrical leads for the solenoids; andsecond electrical leads for the at least one pressure sensor, the solenoids being disposed outside of the common valve-housing bottom and the first and second electrical leads being routed to a common electrical interface, wherein the electrical interface is a circuit support, and wherein the solenoid valves are connected to a common yoke lamination and the first and second electrical leads are connected to the circuit support. 15. The solenoid-valve unit according to claim 14, wherein the circuit support is at least one of a printed-circuit board, a flexible conductor film and a flat ribbon cable. 16. The solenoid-valve unit according to claim 14, further comprising an electronic control unit on the circuit support for activating the solenoids and for reading the at least one pressure sensor. 17. The solenoid-valve unit according to claim 14, wherein the yoke lamination and the electrical interface are fastened to a common support fastened onto the valve-housing bottom. 18. The solenoid-valve unit according to claim 17, wherein the common support is formed from plastic. 19. The solenoid-valve unit according to claim 14, wherein the yoke lamination is in electrical contact with the valve-housing bottom. 20. The solenoid-valve unit according to claim 19, wherein the yoke lamination is fastened to the valve-housing bottom by fastening bolts. 21. The solenoid-valve unit according to claim 14, wherein the at least one pressure sensor includes terminals fastened to the circuit support. 22. The solenoid-valve unit according to claim 21, wherein the terminals include at least one of terminal legs and terminal pins formed as at least one of plug contacts and soldering pins. 23. The solenoid-valve unit according to claim 21, wherein the at least one pressure sensor includes at least one retaining pin fastened mechanically to the circuit support. 24. The solenoid-valve unit according to claim 14, wherein the circuit support and the yoke lamination are disposed next to one another. 25. The solenoid-valve unit according to claim 24, wherein the circuit support and the yoke lamination are disposed parallel to one another. 26. The solenoid-valve unit according to claim 14, wherein the solenoid valves are disposed in a row and the at least one pressure sensor is offset relative to the row. 27. The solenoid-valve unit according to claim 14, wherein the at least one pressure sensor is disposed offset relative to a center of the row. 28. The solenoid-valve unit according to claim 14, wherein the solenoids include valve-cartridge inserts. 29. The solenoid-valve unit according to claim 28, wherein the valve-cartridge inserts include at least one of 2/2-way and 3/2-way valve inserts. 30. The solenoid-valve unit according to claim 14, wherein the at least one pressure sensor is connected to the electrical interface by a filter device. 31. The solenoid-valve unit according to claim 28, wherein the filter device is a low pass filter. 32. The solenoid-valve unit according to claim 31, wherein the filter device includes a plurality of RC elements. 33. The solenoid-valve unit according to claim 14, wherein the electrical interface includes an EMC ground terminal on the yoke lamination. 34. A pressure modulator, comprising: a solenoid-valve unit, the solenoid-valve unit including: a valve-housing bottom having compressed-air bores;solenoid valves including solenoids and displaceable magnet armatures;at least one differential pressure sensor connected by at least one of the compressed-air bores of the valve-housing bottom to an output region of a downstream relay valve;first electrical leads for the solenoids;second electrical leads for the at least one differential pressure sensor, the solenoids being disposed outside of the valve-housing bottom;a plastic control block fastened sealingly on the valve-housing bottom, the plastic control block configured to receive the solenoids and the first and second-electrical leads between the electrical interface, the solenoids and the at least one pressure sensor; anda lead frame, at least a part of the lead frame including the first and second electrical leads, the control block being injection-molded around the lead frame and the solenoids, the first and second electrical leads being routed to a common electrical interface, and the at least one differential pressure sensor in communication with atmospheric pressure via a vent duct of at least one of the relay valve and the solenoid valves. 35. The pressure modulator according to claim 34, further comprising a control unit for activating the solenoids and for reading the at least one differential pressure sensor. 36. The pressure modulator according to claim 35, wherein the control unit is activated by a central control module of a vehicle. 37. The pressure modulator according to claim 36, wherein the control unit is activated by the control module via a vehicle cable system. 38. A brake-pressure modulator of an electropneumatic vehicle braking system, the modulator comprising: a solenoid-valve unit, the solenoid-valve unit including: a valve-housing bottom having compressed-air bores;solenoid valves including solenoids and displaceable magnet armatures;at least one differential pressure sensor connected by at least one of the compressed-air bores of the valve-housing bottom to an output region of a downstream relay valve;first electrical leads for the solenoids;second electrical leads for the at least one differential pressure sensor, the solenoids being disposed outside of the valve-housing bottom;a plastic control block fastened sealingly on the valve-housing bottom, the plastic control block configured to receive the solenoids and the first and second-electrical leads between the electrical interface, the solenoids and the at least one pressure sensor; anda lead frame, at least a part of the lead frame including the first and second electrical leads, the control block being injection-molded around the lead frame and the solenoids, the first and second electrical leads being routed to a common electrical interface, and the at least one differential pressure sensor in communication with atmospheric pressure via a vent duct of at least one of the relay valve and the solenoid valves. 39. The brake-pressure modulator according to claim 38, further comprising a control unit for activating the solenoids and for reading the at least one differential pressure sensor. 40. The brake-pressure modulator according to claim 39, wherein the control unit is activated by a central control module of a vehicle. 41. The brake-pressure modulator according to claim 40, wherein the control unit is activated by the control module via a vehicle cable system.
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