IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0003478
(2009-07-03)
|
등록번호 |
US-8480055
(2013-07-09)
|
우선권정보 |
DE-10 2008 032 727 (2008-07-11) |
국제출원번호 |
PCT/EP2009/004816
(2009-07-03)
|
§371/§102 date |
20110203
(20110203)
|
국제공개번호 |
WO2010/003592
(2010-01-14)
|
발명자
/ 주소 |
- Strauss, Klemens
- Gruen, Juergen
- Bartel, Horst
- Schempp, Roland
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
6 |
초록
▼
The invention relates to a solenoid wherein a magnetic discontinuity is formed in the pole tube reducing the effective material thickness, such as by reducing the thickness, particularly the wall thickness of the magnetically active material, the front face of the armature facing the pole core and a
The invention relates to a solenoid wherein a magnetic discontinuity is formed in the pole tube reducing the effective material thickness, such as by reducing the thickness, particularly the wall thickness of the magnetically active material, the front face of the armature facing the pole core and a bottom face in the interior of the pole tube at the pole core each have a contour allowing mutual axial overlapping. This enables advantageous influencing of the force-stroke characteristic curve of the solenoid with low production effort.
대표청구항
▼
1. A solenoid arrangement, comprising: a pole tube which is defined axially by a pole core segment, a transition segment having a uniform wall thickness, and a tube segment, in which the transition segment has a lesser wall thickness than the tube segment; andan armature guided movably in the pole t
1. A solenoid arrangement, comprising: a pole tube which is defined axially by a pole core segment, a transition segment having a uniform wall thickness, and a tube segment, in which the transition segment has a lesser wall thickness than the tube segment; andan armature guided movably in the pole tube in a path of movement, the armature, on an end toward the pole core segment, having a bolster axially protruding from an end face,wherein a cylindrical countersunk feature is present in a bottom face, toward the armature, of the pole core segment, the cylindrical countersunk feature defining a countersunk space,wherein the bolster of the armature is configured to be received in the countersunk feature,wherein the pole core segment, beginning at the bottom face, has an annular-conical collar segment, which is adjoined by the transition segment, andwherein an axial measurement of the collar segment exceeds an axial measurement of the bolster, andwherein the bolster is completely spaced apart from the countersunk space for at least a portion of movement of the armature in the path of movement. 2. The solenoid arrangement as defined by claim 1, wherein the pole core segment, the transition segment, and the tube segment are embodied in one piece from a magnetic material. 3. The solenoid arrangement as defined by claim 1, wherein a radial gap between the bolster and the countersunk feature is dimensioned such that in a terminal position associated with the pole core segment, a motion of the armature is fluidically damped. 4. The solenoid arrangement as defined by claim 1, wherein the transition segment has a radial groove in an outer face of the pole tube. 5. The solenoid arrangement as defined by claim 4, wherein transitions from the radial groove to the pole core segment and from the radial groove to the tube segment are rounded. 6. A solenoid arrangement, comprising: a pole tube defining a longitudinal direction and including: a pole core segment,a transition segment extending from the pole core segment, the transition segment comprising a first wall defining a transition space, anda tube segment extending from the transition segment, the tube segment comprising a second wall defining a tube space; andan armature guided movably in the pole tube in a path of movement,wherein the pole core segment includes (i) a first body that defines a first body passage, and (ii) a countersunk feature that defines a countersunk space that is in fluid communication with said first body passage, the first body passage and the countersunk space defining a pole tube passage,wherein the armature is positioned in the transition space and the tube space and includes (i) a second body that defines a second body passage, and (ii) a bolster protruding from the second body and defining a bolster passage that is in fluid communication with the second body passage, the bolster being configured to be received in the countersunk space, and the second body passage and the bolster passage defining an armature passage,wherein the pole tube passage and the armature passage are in fluid communication with each other,wherein the pole core segment has a collar segment that adjoins the transition segment,wherein (i) the collar segment extends for a first distance in the longitudinal direction, (ii) the bolster extends for a second distance in the longitudinal direction, and (iii) the first distance is greater than the second distance, andwherein the bolster is completely spaced apart from the countersunk space for at least a portion of movement of the armature in the path of movement. 7. The solenoid arrangement as defined by claim 6, wherein the pole core segment, the transition segment, and the tube segment are embodied in one piece from a magnetic material. 8. The solenoid arrangement as defined by claim 6, wherein a radial gap between the bolster and the countersunk feature is dimensioned such that in a terminal position associated with the pole core segment, a motion of the armature is fluidically damped. 9. The solenoid arrangement as defined by claim 6, wherein the transition segment defines a radial groove in an outer face of the pole tube. 10. The solenoid arrangement as defined by claim 9, wherein transitions from the radial groove to the pole core segment and from the radial groove to the tube segment are rounded. 11. A solenoid arrangement, comprising: a pole tube defining a longitudinal direction and including: a pole core segment,a transition segment extending from the pole core segment, the transition segment comprising a first wall defining a transition space and having a first wall thickness, anda tube segment extending from the transition segment, the tube segment comprising a second wall defining a tube space and having a second wall thickness that is greater than the first wall thickness; andan armature guided movably in the pole tube in a path of movement,wherein the pole core segment includes (i) a first body that defines a first body passage, and (ii) a countersunk feature that defines a countersunk space that is in fluid communication with said first body passage, the first body passage and the countersunk space defining a pole tube passage configured to receive fluid flow therethrough,wherein the armature is positioned in the transition space and the tube space and includes (i) a second body that defines a second body passage, and (ii) a bolster protruding from the second body and defining a bolster passage that is in fluid communication with the second body passage, the bolster being configured to be received in the countersunk space, and the second body passage and the bolster passage defining an armature passage configured to receive fluid flow therethrough, andwherein the pole tube passage and the armature passage are in fluid communication with each other,wherein the pole core segment has a collar segment that adjoins the transition segment,wherein (i) the collar segment extends for a first distance in the longitudinal direction, (ii) the bolster extends for a second distance in the longitudinal direction, and (iii) the first distance is greater than the second distance, andwherein the bolster is completely spaced apart from the countersunk space for at least a portion of movement of the armature in the path of movement. 12. The solenoid arrangement as defined by claim 11, wherein the pole core segment, the transition segment, and the tube segment are embodied in one piece from a magnetic material. 13. The solenoid arrangement as defined by claim 11, wherein a radial gap between the bolster and the countersunk feature is dimensioned such that in a terminal position associated with the pole core segment, a motion of the armature is fluidically damped. 14. The solenoid arrangement as defined by claim 11, wherein the transition segment defines a radial groove in an outer face of the pole tube. 15. The solenoid arrangement as defined by claim 14, wherein transitions from the radial groove to the pole core segment and from the radial groove to the tube segment are rounded.
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