Electrostatic generator with patterned metal sphere

Patent metadata

Field	Value
Publication number	US-11575333-B2
Application number	US-202117401860-A
Country	US
Kind code	B2
Filing date	Aug 13, 2021
Priority date	Mar 26, 2019
Publication date	Feb 7, 2023
Grant date	Feb 7, 2023

Abstract

A Static Electrostatic Generator (SEG) is disclosed which produces static charges at high voltage and low current. The SEG is capable of generating positive or negative charges on a metal sphere by reversing the polarity of a DC source. The conversion efficiency of the system is about 47% and its design is simple, lightweight, and easy to manufacture. The SEG is a static device and no mechanical movement is required to produce charges. Also, the design is easily scalable.

First claim

The invention claimed is:

1. A copper striped sphere shaped static electrostatic generator, comprising:
a conductive metal wire having a first and a second end;
a cylindrical conductive metal sheet coaxial with the conductive metal wire, the cylindrical conductive metal sheet having a first end and a second end, an interior surface and an exterior surface;
a conductive metal sphere made of aluminum surrounding the conductive metal wire and the cylindrical conductive metal sheet, the conductive metal sphere having an interior surface and an exterior surface, wherein the interior surface of the conductive metal sphere is evenly spaced from the exterior surface of the cylindrical conductive metal sheet, wherein the conductive metal sphere is patterned with stripes of copper;
a first switch, a second switch and a third switch, each switch having a first side and a second side;
a battery having a first electrode and a second electrode, wherein the first electrode is connected to the first end of the conductive metal wire and the second electrode is attached to the first side of the first switch;
wherein the second side of the first switch is connected to the first end of the cylindrical conductive metal sheet;
the second switch having its first end connected to the second end of the conductive metal wire and its second end connected to the second end of the cylindrical conductive metal sheet;
the third switch having its first end connected to the cylindrical conductive metal sheet and its second end connected to the interior surface of the conductive metal sphere; and
a controller connected to each of the switches and having timing circuitry configured to operate the switches at specified times in order to generate static electrostatic charges on the surface of the conductive metal sphere.

2. The static electrostatic generator of claim 1 , further comprising a dielectric material between the conductive metal wire and the cylindrical conductive metal sheet.

3. The static electrostatic generator of claim 1 , wherein the switches are selected from the group consisting of transistors, electrically actuated switches, and electrically actuated mechanical switches.

4. The static electrostatic generator of claim 3 , wherein the transistors are selected from the group consisting of MOSFETS, FETS, FETs, and bi-polar junction transistors (BJT).

Assignees

• Univ King Fahd Pet & Minerals

Inventors

• Alharbi Hosam Salem
• Khalid Muhammad
• Abido Mohammad Ali

Classifications

• H02N1/00

  Electrostatic generators or motors using a solid moving electrostatic charge carrier · CPC title

• H02N1/06 Primary

  Influence generators · CPC title

• H02N1/08 Primary

  with conductive charge carrier, i.e. capacitor machines · CPC title

• H02M3/07

  using capacitors charged and discharged alternately by semiconductor devices with control electrode {, e.g. charge pumps} · CPC title

• H02M3/158

  including plural semiconductor devices as final control devices for a single load · CPC title