IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0912162
(2006-03-29)
|
등록번호 |
US-8235583
(2012-08-07)
|
우선권정보 |
DE-10 2005 019 010 (2005-04-22) |
국제출원번호 |
PCT/EP2006/061131
(2006-03-29)
|
§371/§102 date |
20071022
(20071022)
|
국제공개번호 |
WO2006/111455
(2006-10-26)
|
발명자
/ 주소 |
- Seiler, Andreas
- Wörner, Wolfgang
- Ahke, Klaus
|
출원인 / 주소 |
- Maschinenfabrik Gustav Eirich GmbH & Co. KG
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
5 |
초록
▼
The invention relates to a mixing blade (6) consisting, of a base part (15) fixable to a shaft and a removable wearable element (12). The aim of said invention is to develop a more economical mixing blade. For this purpose, the wearable element (12) and the base part (15) overlap on at least 30% of
The invention relates to a mixing blade (6) consisting, of a base part (15) fixable to a shaft and a removable wearable element (12). The aim of said invention is to develop a more economical mixing blade. For this purpose, the wearable element (12) and the base part (15) overlap on at least 30% of the base part length and define different cross-sections of the mixing blade (6) in said area.
대표청구항
▼
1. A mixing blade (6) attachable to a rotatable shaft, the shaft having a center-axis, said mixing blade comprising a base part (15) fixable to the shaft and a removable wearing element (12), said base part having a base part length, characterized in that the wearing element (12) and the base part (
1. A mixing blade (6) attachable to a rotatable shaft, the shaft having a center-axis, said mixing blade comprising a base part (15) fixable to the shaft and a removable wearing element (12), said base part having a base part length, characterized in that the wearing element (12) and the base part (15) overlap over at least 30% of the base part length, wherein the mixing blade is rectangular in a top view parallel to the center-axis of the shaft, wherein the base part has a rectangular recess in which the wearing element is inserted, wherein the wearing element has a wearing element length perpendicular to the center-axis of the shaft, and a majority of the wearing element length has a cross section in the shape of a right trapezoid, the cross section being perpendicular to the wearing element length and having an area, and wherein the wearing element has a transition area in which the area of the cross section increases towards the shaft along the wearing element length. 2. Mixing blade according to claim 1, characterized in that the mixing blade has a leading edge and the wearing element (12) encompasses at least one third of the leading edge of the mixing blade (6). 3. Mixing blade according to claim 2, wherein the wearing element has a top surface and a bottom surface and the mixing blade further comprising a flange projecting from the bottom surface of the wearing element adjacent to the leading edge. 4. Mixing blade according to claim 1, characterized in that the mixing blade has a leading edge and the wearing element (12) encompasses at least one half of the leading edge of the mixing blade (6). 5. Mixing blade according to one of claim 1, 2, or 4 characterized in that the wearing element (12) forms an entire end of the mixing blade (6) and covers a radial tip of the base part (15) at least partially. 6. Mixing blade according to one of claim 1, 2, or 4, wherein the base part has a projection in a radial, axial and circumferential direction. 7. Mixing blade according to one of claim 2 or 4, characterized in that the wearing element (12) is formed tapered towards the leading edge. 8. Mixing blade according to claim 7, wherein the cross section is in the shape of a truncated right trapezoid. 9. Mixing blade according to claim 8, wherein the wearing element has a top surface and a bottom surface and the mixing blade further comprising a flange projecting from the bottom surface of the wearing element adjacent to the leading edge. 10. Mixing blade according to one of claim 1, 2, or 4 characterized in that the wearing element is connected via studs (14) to the base part (15), which studs extend through holes in the base part (15) into threaded holes in the wearing element (12). 11. Mixing blade according to one of claim 1, 2, or 4, characterized in that the wearing element is made of a front edge section (12) and an end section (21, 26). 12. A mixing blade (6) attachable to a rotatable shaft having a center-axis, said mixing blade comprising a base part (15) fixable to the shaft and a removable wearing element (12), said base part having a base part length and said wearing element having a wearing element length perpendicular to the center-axis, characterized in that the wearing element (12) and the base part (15) overlap over at least 30% of the base part length, the mixing blade has a mixing blade length and a first cross-section that is perpendicular to the mixing blade length and the mixing blade has a transition area in which the area of the first cross section increases towards the shaft along the mixing blade length, and wherein the wearing element has a second cross-section that is perpendicular to the wearing element length and the area of the second cross-section decreases towards the shaft along the wearing element length. 13. Mixing blade according to claim 12, characterized in that the mixing blade has a leading edge and the wearing element (12) encompasses at least one third of the leading edge. 14. Mixing blade according to claim 13, characterized in that the wearing element (12) encompasses at least one half of the leading edge of the mixing blade (6). 15. Mixing blade according to any one of claim 12, 13, or 14, characterized in that the wearing element (12) forms an entire end of the mixing blade (6) and covers a radial tip of the base part (15) at least partially. 16. Mixing blade according to any one of claim 12, 13, or 14, characterized in that the mixing blade is rectangular in a top view parallel to the center-axis of the shaft. 17. Mixing blade according to any one of claim 13 or 14, characterized in that the wearing element (12) is formed tapered towards the leading edge. 18. Mixing blade according to any one of claim 12, 13, or 14, characterized in that the first cross-section is in the shape of a right trapezoid over a majority of the wearing element length. 19. Mixing blade according to claim 18, wherein the first cross-section is in the shape of a truncated right trapezoid. 20. Mixing blade according to any one of claim 12, 13, or 14 characterized in that the wearing element is connected via studs (14) to the base part (15), which studs extend through holes in the base part (15) into threaded holes in the wearing element (12). 21. Mixing blade according to any one of claim 13 or 14, wherein the wearing element has a top surface and a bottom surface and the mixing blade further comprising a flange projecting from the bottom surface of the wearing element adjacent to the leading edge.
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