IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0474753
(2012-05-18)
|
등록번호 |
US-8678885
(2014-03-25)
|
우선권정보 |
EP-11166888 (2011-05-20) |
발명자
/ 주소 |
|
출원인 / 주소 |
- Albert Handtmann Maschinenfabrik GmbH & Co. KG
|
대리인 / 주소 |
Marshall, Gerstein & Borun LLP
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
9 |
초록
▼
A conveyor system for a filling machine and a method of conveying pasty mass with a corresponding conveyor system and a corresponding filling machine, including a housing with a vacuum opening and a vacuum pump as well as a suction line for generating a vacuum in the conveyor system. A valve mechani
A conveyor system for a filling machine and a method of conveying pasty mass with a corresponding conveyor system and a corresponding filling machine, including a housing with a vacuum opening and a vacuum pump as well as a suction line for generating a vacuum in the conveyor system. A valve mechanism and at least one pressure sensor for measuring the pressure in the suction line and/or in the conveyor system are provided. A controller controls the vacuum in the conveyor system or the suction line, respectively, wherein the cross-section of the suction line is adjusted in response to the measured pressure via the valve mechanism.
대표청구항
▼
1. A conveyor system for a filling machine for conveying pasty mass, comprising a housing with a vacuum opening, and comprisinga vacuum pump and a suction line for generating a vacuum in the conveyor system,a valve means in the suction line,at least one pressure sensor for measuring the pressure one
1. A conveyor system for a filling machine for conveying pasty mass, comprising a housing with a vacuum opening, and comprisinga vacuum pump and a suction line for generating a vacuum in the conveyor system,a valve means in the suction line,at least one pressure sensor for measuring the pressure one of in the suction line, in the conveyor system, and in a combination thereof, bya control means for controlling the vacuum in one of the conveyor system, the suction line, and a combination thereof, wherein the cross-section of the suction line can be adjusted in response to the pressure measured by the at least one pressure sensor via the valve means. 2. The conveyor system according to claim 1, wherein the conveyor system is a vane pump and comprises a rotatably mounted rotor with radially movable vanes which form conveyor cells together with the walls of the housing, wherein the vane pump comprises a suction region, a pressure region and a sealing region which separates the pressure region from the suction region, and wherein the vacuum opening is arranged in the suction region, or in the sealing region. 3. The conveyor system according to claim 1, wherein the at least one pressure sensor is arranged between the valve means and the vacuum opening. 4. The conveyor system according to claim 2, wherein the at least one pressure sensor is arranged in the conveyor system in the suction region. 5. The conveyor system according to claim 2, wherein the vacuum opening is arranged at the beginning of the suction region. 6. The conveyor system according to claim 1, wherein the valve means comprises a proportional valve. 7. The conveyor system according to claim 6, wherein an on-off valve is arranged in parallel to the proportional valve between the vacuum pump and the vacuum opening. 8. The conveyor system according to claim 6, wherein a water separator is arranged in the suction line. 9. The conveyor system according to claim 8, wherein the water separator arranged in the suction line is between the proportional value and the vacuum pump. 10. The conveyor system according to claim 1, wherein the valve means comprises a vacuum slider which is arranged in the suction line, and whose position can be adjusted proportionally to the measured pressure. 11. The conveyor system according to claim 10, wherein the vacuum slider is for closing the vacuum opening. 12. A method of conveying pasty mass with a conveyor system formed according to claim 1, comprising: measuring the pressure in one of the suction line, the conveyor system, and a combination thereof, andcontrolling the pressure by adjusting the valve opening in response to the measured pressure. 13. The method according to claim 12, wherein the control means carries out a proportional control, the opening of the valve being adjusted proportionally to the measured pressure. 14. The method according to claim 12, wherein a reference value or a reference value range for one of the pressure in the conveyor system the pressure in the suction line, and a combination thereof, is determined and stored in the control means. 15. The method according to claim 14, wherein the pressure in the conveyor system comprises the pressure in the suction region of the conveyor system. 16. The method according to claim 12, wherein, in case of a major control deviation, opening an on-off valve, connected in parallel, in addition to the proportional valve. 17. The method according to claim 16, wherein the major control deviation comprises where the measured pressure exceeds a limiting valve. 18. The method according to claim 12, wherein the vacuum pump is operated at a constant power. 19. A filling machine for filling sausage casing with pasty mass, wherein the filling machine comprises a conveyor system formed according to claim 1. 20. A filling machine according to claim 19, wherein the control means is integrated in a machine control of the filling machine. 21. The conveyor system according to claim 1, wherein the pasty mass is sausage meat.
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