High-frequency matrix converter with square wave input
US-8995159-B1 · Mar 31, 2015 · US
Capacitor based lightning clamp
US9819175B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9819175-B2 |
| Application number | US-201514845375-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 4, 2015 |
| Priority date | Sep 4, 2015 |
| Publication date | Nov 14, 2017 |
| Grant date | Nov 14, 2017 |
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- Title
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- Abstract
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- Assignees and inventors
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- First independent claim
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Abstract
Official abstract text for this publication.
A circuit comprises an alternating current (AC) feed line, a solid state power controller portion connected to the AC feed line, a load connected to the solid state power controller portion, a positive clamp rail, a negative clamp rail, a ground, a first diode connected to the AC feed line and the positive clamp rail, a second diode connected to the AC feed line and the negative clamp rail, a third diode connected to the load and the positive clamp rail, a fourth diode connected to the load and the negative clamp rail, a fifth diode connected to the positive clamp rail and the ground, a sixth diode connected to the negative clamp rail and the ground, and a capacitor connected to the positive clamp rail and the negative clamp rail.
First claim
Opening claim text (preview).
What is claimed is: 1. A circuit comprising: an alternating current (AC) feed line; a solid state power controller portion connected to the AC feed line; a load connected to the solid state power controller portion; a positive clamp rail; a negative clamp rail; a ground; a first diode connected to the AC feed line and the positive clamp rail; a second diode connected to the AC feed line and the negative clamp rail; a third diode connected to the load and the positive clamp rail; a fourth diode connected to the load and the negative clamp rail; a fifth diode connected to the positive clamp rail and the ground; a sixth diode connected to the negative clamp rail and the ground; and a capacitor connected to the positive clamp rail and the negative clamp rail. 2. The circuit of claim 1 , wherein an anode of the first diode is connected to the AC feed line. 3. The circuit of claim 1 , wherein an anode of the second diode is connected to the negative clamp rail. 4. The circuit of claim 1 , wherein an anode of the third diode is connected to the load. 5. The circuit of claim 1 , wherein an anode of the fourth diode is connected to the negative clamp rail. 6. The circuit of claim 1 , wherein an anode of the fifth diode is connected to the ground. 7. The circuit of claim 1 , wherein an anode of the sixth diode is connected to the negative clamp rail. 8. The circuit of claim 1 , further comprising a resistor connected to the negative clamp rail and the positive clamp rail. 9. The circuit of claim 1 , wherein the solid state power control portion includes a metal oxide semiconductor field effect transistor device. 10. A circuit comprising: an alternating current (AC) feed line; a solid state power controller portion connected to the AC feed line; a load connected to the solid state power controller portion; a positive clamp rail; a negative clamp rail; a ground; a first diode connected to the AC feed line and the positive clamp rail; a second diode connected to the AC feed line and the negative clamp rail; a third diode connected to the load and the positive clamp rail; a fourth diode connected to the load and the negative clamp rail; a first capacitor connected to the positive clamp rail and the ground; and a second capacitor connected to the negative clamp rail and the ground. 11. The circuit of claim 10 , wherein an anode of the first diode is connected to the AC feed line. 12. The circuit of claim 10 , wherein an anode of the second diode is connected to the negative clamp rail. 13. The circuit of claim 10 , wherein an anode of the third diode is connected to the load. 14. The circuit of claim 10 , wherein an anode of the fourth diode is connected to the negative clamp rail. 15. The circuit of claim 10 , further comprising a first resistor connected to the negative clamp rail and the ground. 16. The circuit of claim 10 further comprising a second resistor connected to the positive clamp rail and the ground.
Assignees
Inventors
Classifications
using a short-circuiting device · CPC title
Electrostatic discharge [ESD] protection · CPC title
Protection of over-voltage protection device by short-circuiting · CPC title
- H02H9/04Primary
responsive to excess voltage (lightning arrestors H01C7/12, H01C8/04, H01G9/18, H01T) · CPC title
responsive to excess voltage appearing at terminals of integrated circuits · CPC title
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Frequently asked questions
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- What does patent US9819175B2 cover?
- A circuit comprises an alternating current (AC) feed line, a solid state power controller portion connected to the AC feed line, a load connected to the solid state power controller portion, a positive clamp rail, a negative clamp rail, a ground, a first diode connected to the AC feed line and the positive clamp rail, a second diode connected to the AC feed line and the negative clamp rail, a t…
- Who is the assignee on this patent?
- Hamilton Sundstrand Corp
- What technology area does this patent fall under?
- Primary CPC classification H02H9/04. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Nov 14 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).