Drive for valve operating control systems in motor vehicles, preferably camshaft adjusters
View Patent ↗A drive for valve drive operating control systems in motor vehicles, preferably for camshaft adjusters, includes at least one drive wheel and functional parts, such as a cover, a stator, a closing ring, and a sealing ring, as well as at least one rotor. The drive wheel and at least one of the functional parts are produced in a single part from a high-resistant, non-metallic material.
1. A drive for valve drive operating control systems in motor vehicles, comprising:
at least one drive wheel,
functional parts, wherein the functional parts include a cover, a stator, and a closing ring, and
at least one rotor made of a metallic material,
wherein the drive wheel and the cover, the stator, and the closing ring are produced in a single part from a high-resistant plastic material, wherein the high-resistant plastic material has a same temperature expansion as steel, and
wherein the high-resistant plastic material is from approximately 45% up to approximately 65% mineral compounds, approximately 20% resin, and approximately 20% glass fibers.
2. The drive according to claim 1 , wherein a sealing ring is integrated into the cover.
3. The drive according to claim 2 , wherein the sealing ring is partially molded by the material forming the cover.
4. The drive according to claim 1 , wherein the at least one rotor is secured in its position between the closing ring and a cover disk.
5. The drive according to claim 4 , wherein the cover disk is held in place by a threaded bolt.
6. The drive according to claim 5 , wherein the threaded bolt is one of plural threaded bolts, and wherein nuts allocated to the threaded bolts are molded into the cover.
7. The drive according to claim 5 , wherein the threaded bolt is one of plural threaded bolts, and wherein the threaded bolts are screwed into threaded openings in the cover.
8. The drive according to claim 4 , wherein the cover disk consists of metallic material.
9. The drive according to claim 4 , wherein the cover disk consists of high resistant, non-metallic material.
10. The drive according to claim 9 , wherein the high-resistant, non-metallic material contains duroplastic.
11. The drive according to claim 10 , wherein the duroplastic is a resin.
12. The drive according to claim 11 , wherein the resin is between about 15% and 30% of the non-metallic material.
13. The drive according to claim 10 , wherein the duroplastic is between about 15% and 30% of the non-metallic material.
14. The drive according to claim 13 , wherein the duroplastic is about 20% of the non-metallic material.
15. The drive according to claim 9 , wherein the high-resistant material contains between about 15% and 30% filling agents.
16. The drive according to claim 15 , wherein the high resistant material contains about 20% filling agents.
17. The drive according to claim 15 , wherein filling agents are glass fibers.
18. The drive according to claim 1 , wherein the drive wheel is a belt wheel.
19. The drive according to claim 18 , wherein the belt wheel is a toothed belt wheel.
20. The drive according to claim 1 , wherein the drive wheel is a sprocket wheel.
21. The drive according to claim 1 , wherein the high-resistant plastic material contains about 60% mineral compounds.