IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0119335
(2012-04-27)
|
등록번호 |
US-8952574
(2015-02-10)
|
국제출원번호 |
PCT/US2012/035338
(2012-04-27)
|
§371/§102 date |
20131121
(20131121)
|
국제공개번호 |
WO2012/166269
(2012-12-06)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- Halliburton Energy Services, Inc.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
10 |
초록
▼
A first-switch-actuation-polarity power is applied to a first-switch actuation line, the first polarity being defined relative to a first voltage on a first-switch-actuation-enable line, causing the first switch to actuate and remain actuated after the applied first-switch-actuation-polarity power i
A first-switch-actuation-polarity power is applied to a first-switch actuation line, the first polarity being defined relative to a first voltage on a first-switch-actuation-enable line, causing the first switch to actuate and remain actuated after the applied first-switch-actuation-polarity power is removed. Actuating the first switch couples a first-switch power input line to a first-switch power output line and the first-switch power input line to the first-switch enable line. The first-switch enable line is coupled to a second-switch actuation enable line on a second switch. Second-switch-actuation polarity power is applied to the second-switch actuation line on the second switch, the second polarity being defined relative to a voltage on the second-switch actuation enable line and being opposite of the first polarity, causing the second switch to actuate and remain actuated after the applied second-switch-actuation-polarity power is removed and coupling a second-switch power input line to a second-switch power output line.
대표청구항
▼
1. An apparatus comprising: a first switch comprising: a first-switch spring having a first state in which it is held in tension and a second state in which it is not held in tension;a normally open set of contacts, 1-A-1 and 1-A-2, that are electrically disconnected when the first-switch spring is
1. An apparatus comprising: a first switch comprising: a first-switch spring having a first state in which it is held in tension and a second state in which it is not held in tension;a normally open set of contacts, 1-A-1 and 1-A-2, that are electrically disconnected when the first-switch spring is in the first state and electrically connected when the first-switch spring is in the second state;a first-switch restraining element for keeping the first-switch spring in the first state, wherein the first-switch restraining element has a first side and a second side and wherein the first-switch restraining element is permanently collapsible to change the first-switch spring from the first state to the second state when a first-switch actuating voltage is applied across the first side and the second side of the first-switch restraining element;a first-switch actuation circuit comprising: a first-switch actuation line coupled to the first side of the first-switch restraining element, anda first-switch actuation enable line coupled to the second side of the first-switch restraining element;a first-switch firing circuit comprising: a first-switch power input line coupled to contact 1-A-1,a first-switch power output line coupled to contact 1-A-2, anda first-switch enable line coupled to contact 1-A-2;a second switch comprising: a second-switch spring having a first state in which it is held in tension and a second state in which it is not held in tension;a normally open set of contacts, 2-A-1 and 2-A-2, that are electrically disconnected when the second-switch spring is in the first state and electrically connected when the second-switch spring is in the second state;a second-switch restraining element for keeping the second-switch spring in the first state, wherein the second-switch restraining element has a first side and a second side and wherein the second-switch restraining element is permanently collapsible to change the state of the second-switch spring from the first state to the second state when a second-switch actuating voltage is applied across the first side and the second side of the second-switch restraining element;a second-switch actuation circuit comprising: a second-switch actuation line coupled to the first side of the second-switch restraining element, anda second-switch actuation enable line coupled to the second side of the second-switch restraining element; anda second-switch firing circuit comprising: a second-switch power input line coupled to contact 2-A-1,a second-switch power output line coupled to contact 2-A-2, anda second-switch actuation enable line coupled to the first-switch enable line. 2. The apparatus of claim 1 wherein the second-switch actuation enable line is couplable to the first-switch enable line through a third switch. 3. The apparatus of claim 1 wherein the second-switch actuation enable line is couplable to the first-switch enable line through a normally open set of contacts on the first switch that are open before the first switch is actuated and closed after the first switch is actuated. 4. The apparatus of claim 1 wherein the second-switch actuation line is couplable to a device actuation line through a normally open set of contacts of the first switch that are open before the first switch is actuated and closed after the first switch is actuated. 5. The apparatus of claim 1 wherein the second-switch power output line is shorted to the first-switch power output line through a normally closed set of contacts on the first switch wherein the short is removable when the state of the first switch spring is changed from the first state to the second state. 6. The apparatus of claim 1 further comprising: a first-switch-actuation-circuit diode having a first-polarity terminal and a second-polarity terminal, wherein the first-switch actuation line is coupled to the first-polarity terminal of the first-switch-actuation-circuit diode, andthe second-polarity terminal of the first-switch-actuation-circuit diode is coupled to the first side of the first-switch restraining element;a second-switch-actuation-circuit diode having a first-polarity terminal and a second-polarity terminal, wherein the first-polarity terminal of the first-switch-actuation-circuit diode is the same polarity as the first-polarity terminal of the second-switch-actuation-circuit diode,the second-polarity terminal of the first-switch-actuation-circuit diode is the same polarity as the second-polarity terminal of the second-switch-actuation diode,the second-switch actuation line is coupled to the second-polarity terminal of the second-switch-actuation-circuit diode, andthe first-polarity terminal of the of the second-switch-actuation-circuit diode is coupled to the first side of the second-switch restraining element. 7. The apparatus of claim 6 wherein: the first-polarity terminal of the first-switch-actuation-circuit diode is the anode of the first-switch-actuation-circuit diode,the second-polarity terminal of the first-switch-actuation-circuit diode is the cathode of the first-switch-actuation-circuit diode,the first-polarity terminal of the second-switch-actuation-circuit diode is the anode of the first-switch-actuation-circuit diode, andthe second-polarity terminal of the second-switch-actuation-circuit diode is the cathode of the first-switch-actuation-circuit diode. 8. The apparatus of claim 1 further comprising: a first-switch-actuation-circuit diode having a first-polarity terminal and a second-polarity terminal, wherein the first-switch actuation line is coupled to the first-polarity terminal of the first-switch-actuation-circuit diode, andthe second-polarity terminal of the of the first-switch-actuation-circuit diode is coupled to the first side of the first-switch restraining element; anda first-switch-firing-circuit diode having a first-polarity terminal and a second-polarity terminal, wherein the first-switch power input line is coupled to the first-polarity terminal of the first-switch-firing-circuit diode, andthe second-polarity terminal of the of the first-switch-firing-circuit diode is coupled to the first side of the first-switch restraining element. 9. The apparatus of claim 8 wherein: the first-polarity terminal of the first-switch-actuation-circuit diode is the same polarity as the first-polarity terminal of the first-switch-firing-circuit diode, andthe second-polarity terminal of the first-switch-actuation-circuit diode is the same polarity as the second-polarity terminal of the first-switch-firing-circuit diode. 10. The apparatus of claim 8 wherein: the first-polarity terminal of the first-switch-actuation-circuit diode is the same polarity as the second-polarity terminal of the first-switch-firing-circuit diode, andthe second-polarity terminal of the first-switch-actuation-circuit diode is the same polarity as the first-polarity terminal of the first-switch-firing-circuit diode. 11. The apparatus of claim 1 wherein the second-switch actuation line is connected to the second-switch power input line. 12. The apparatus of claim 1 wherein the first-switch actuation line is connected to the second-switch actuation line. 13. An apparatus comprising: a first switch comprising: a first-switch spring having a first state in which it is held in tension and a second state in which it is not held in tension;a normally open set of contacts, 1-A-1 and 1-A-2, that are electrically disconnected when the first-switch spring is in the first state and electrically connected when the first-switch spring is in the second state;a first-switch restraining element for keeping the first-switch spring in the first state, wherein the first-switch restraining element has a first side and a second side and wherein the first-switch restraining element is permanently collapsible to change the first-switch spring from the first state to the second state when a first-switch actuating voltage is applied across the first side and the second side of the first-switch restraining element;a first-switch actuation circuit comprising: a first-switch actuation line coupled to the first side of the first-switch restraining element, anda first-switch actuation enable line coupled to the second side of the first-switch restraining element;a first-switch firing circuit comprising: a first-switch power input line coupled to contact 1-A-1,a first-switch power output line coupled to contact 1-A-2, anda first-switch enable line coupled to contact 1-A-2;a second switch comprising: a second-switch spring having a first state in which it is held in tension and a second state in which it is not held in tension;a normally open set of contacts, 2-A-1 and 2-A-2, that are electrically disconnected when the second-switch spring is in the first state and electrically connected when the second-switch spring is in the second state;a second-switch restraining element for keeping the second-switch spring in the first state, wherein the second-switch restraining element has a first side and a second side and wherein the second-switch restraining element is permanently collapsible to change the state of the second-switch spring from the first state to the second state when a second-switch actuating voltage is applied across the first side and the second side of the second-switch restraining element;a second-switch actuation circuit comprising: a second-switch actuation line coupled to the first side of the second-switch restraining element, anda second-switch actuation enable line coupled to the second side of the second-switch restraining element;a second-switch firing circuit comprising: a second-switch power input line coupled to contact 2-A-1,a second-switch power output line coupled to contact 2-A-2, anda second-switch actuation enable line coupled to the first-switch enable line;a device comprising: a first power input coupled to the first-switch power output line, anda second power input coupled to the second-switch power output line;wherein: the first-switch power input line is coupled to a first terminal of a power source, andthe first-switch actuation line, the second-switch actuation line, and the second-switch power input line are coupled to a device actuation line which is couplable to a second terminal of the power source. 14. The apparatus of claim 13 wherein: the first terminal of the power source is at ground, andthe second terminal of the power source is at a voltage that is selectable between a positive voltage and a negative voltage. 15. The apparatus of claim 13 wherein: the first terminal of the power source is at a voltage that is selectable between a positive voltage and a negative voltage, andthe second terminal of the power source is at ground. 16. A method comprising: coupling a first-switch enable line on a first switch to a second-switch actuation enable line on a second switch;coupling a second-switch actuation line on the second switch to a first-switch actuation line on the first switch;coupling a second-switch power input line on the second switch to the first-switch actuation line on the first switch;applying a first-switch-actuation-polarity power to the first-switch actuation line, a first polarity of the first-switch-actuation-polarity power being defined relative to a first voltage on a first-switch-actuation-enable line, causing the first switch to actuate and remain actuated after the applied first-switch-actuation-polarity power is removed,wherein actuating the first switch couples: a first-switch power input line to a first-switch power output line; andthe first-switch power input line to the first-switch enable line; andapplying second-switch-actuation polarity power to the second-switch actuation line, a second polarity of the second-switch actuation polarity power being defined relative to a voltage on the second-switch actuation enable line and being opposite of the first polarity of the first-switch-actuation-polarity power, causing the second switch to actuate and remain actuated after the applied second-switch-actuation-polarity power is removed, andwherein actuating the second switch couples the second-switch power input line to a second-switch power output line. 17. The method of claim 16 further comprising: coupling the first-switch actuation line on the first switch to a main-device-actuation line;coupling the first-switch power input line on the first switch to a first source;coupling the first-switch power output line on the first switch to a first terminal on a device; andcoupling the second-switch power output line on the second switch to a second terminal on the devicewherein the device operates when the first power terminal on the device is coupled to a first voltage and the second power terminal on the device is coupled to a second voltage. 18. The method of claim 16 further comprising: coupling the second-switch actuation enable line to the first-switch enable line through a third switch. 19. The method of claim 16 further comprising: coupling the second-switch actuation line to a main-device-actuation line through a normally open set of contacts of the first switch that are open before the first switch is actuated and closed after the first switch is actuated. 20. The method of claim 16 further comprising: shorting the first power terminal of the device to the second power terminal of the device through a normally closed set of contacts of the first switch that are closed before the first switch is actuated and open after the first switch is actuated.
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