Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
John H. S. Wang Patents
Inventor:
Wang; John H. S.
Address:
Rancho Palos Verdes, CA
No. of patents:
17
Patents:




Patent Number Title Of Patent Date Issued
6136158 NO.sub.x reduction method in corona discharge pollutant destruction apparatus October 24, 2000
Providing triatomic nitrogen (N.sub.3) as a relaxation species to an exhaust gas that includes nitrogen oxide compounds (NO.sub.x) increases the rate of reducing NO.sub.x in a corona discharge apparatus.
6007682 Power processor circuit and method for corona discharge pollutant destruction apparatus December 28, 1999
A solid-state power processor circuit and method is used to supply power to generate a discharge in a corona discharge pollutant destruction apparatus. The circuit uses field effect transistors (FETs) and integrated circuit devices based upon metal oxide semiconductor field effect tr
5970706 Automatic control method for corona discharge pollutant destruction October 26, 1999
In a pollutant destruction apparatus employing one or more corona discharge reactors, an automatic control system controls power generation characteristics for corona discharge reactions according to factors such as the types and the amounts of pollutants in an exhaust gas, maximum a
5927069 Multi-electrode corona discharge pollutant destruction apparatus July 27, 1999
A corona discharge pollutant destruction reactor employs two or more electrodes to enhance the effective corona discharge treatment volume by distributing a varying electric field pattern over the reactor's interior chamber. Appropriate delay circuitry allows the inner electrodes to be
5906715 Multi-stage gaseous pollutant destruction apparatus and method May 25, 1999
A corona discharge pollutant destruction system has two or more corona discharge reactors in series, with each stage optimized for either oxidation of hydrocarbons (HC) and carbon monoxide (CO) or reduction of nitrogen oxides (NO.sub.x). The reactors may be arranged with initial oxid
5845488 Power processor circuit and method for corona discharge pollutant destruction apparatus December 8, 1998
A solid-state power processor circuit and method is used to supply power to generate a discharge in a corona discharge pollutant destruction apparatus. The circuit uses field effect transistors (FETs) and integrated circuit devices based upon metal oxide semiconductor field effect tr
5836154 Multi-state gaseous pollutant destruction apparatus and method November 17, 1998
A corona discharge pollutant destruction system has two or more corona discharge reactors in series, with each stage optimized for either oxidation of hydrocarbons (HC) and carbon monoxide (CO) or reduction of nitrogen oxides (NO.sub.x). The reactors may be arranged with initial oxid
5827407 Indoor air pollutant destruction apparatus and method using corona discharge October 27, 1998
An indoor air pollutant destruction apparatus destroys pollutants by a corona discharge that is generated by a rapidly oscillating electric field. Free electrons generated by the corona discharge produces ozone (O.sub.3), which effectively destroys volatile organic compounds (VOCs) a
5822981 Automatic control system and method for corona discharge pollutant destruction apparatus October 20, 1998
In a pollutant destruction apparatus employing one or more corona discharge reactors, an automatic control system controls power generation characteristics for corona discharge reactions according to factors such as the types and the amounts of pollutants in an exhaust gas, maximum a
5807466 Fuel injection system and method for treatment of NO.sub.x in a corona discharge pollutant destr September 15, 1998
In a gaseous pollutant destruction apparatus employing a corona discharge reactor for reducing nitrogen oxide compounds (NO.sub.x), a fuel injection system provides a precisely controlled small quantity of hydrocarbon fuel to the corona discharge reactor to facilitate the destruction of
5753087 Multi-electrode corona discharge pollutant destruction apparatus and method May 19, 1998
A corona discharge pollutant destruction reactor employs two or more electrodes to enhance the effective corona discharge treatment volume by distributing a varying electric field pattern over the reactor's interior chamber. Appropriate delay circuitry allows the inner electrodes to be
5022032 Phased coupled waveguide laser June 4, 1991
A high power phase coupled waveguide laser comprising a plurality of symmetrically disposed lasing members disposed around the outer periphery of an annular enclosure. The laser includes an annular body of dielectric material having a multiplicity of laser cavities formed therein in a
4885752 Crystal modulated laser with improved resonator December 5, 1989
The laser (10) has a crystal modulator (22) located at one end (16) of the laser gain medium (12) opposite the end (14) to which the total reflector or grating (18) is attached. The outcoupler (28) is spaced a predetermined nonzero distance apart from the edge (30) of the crystal (22). T
4686681 Continuous wave-mid-infrared gas laser utilizing RF excitation August 11, 1987
An improved transverse gas flow RF pumped waveguide laser has been developed utilizing RF discharge waveguide technology in a mid-infrared laser. A potential application has been identified in a continuous wave gas laser. For the laser, the flowing gas provides efficient cooling so t
4651325 RF-pumped infrared laser using transverse gas flow March 17, 1987
A transverse gas flow RF pumped waveguide laser has been developed utilizing RF discharge waveguide technology in several infrared lasers. Two potential applications have been identified; the pulsed chemical laser and the CW CO.sub.2 laser. In the chemical laser, the flowing gas device
4598409 CW HF R-branch laser July 1, 1986
A continuous wave HF R-branch chemical laser uses a linear array nozzle system having primary and secondary nozzles for exciting HF and a laser resonator having mirrors with reflectance to discriminate against P-branch lasing of the excited HF.
4145668 Optical resonance pumped transfer laser with high multiline photon-to-single-line photon convers March 20, 1979
Lasers are disclosed wherein trapped multiline laser radiation from a DF laser is employed to pump a DF-CO.sub.2 working gas mixture within the optical resonator for the DF laser. The multiline pumping energy is resonantly absorbed by the DF component of the working gas mixture and c


 
 
  Recently Added Patents
Polymerizable composition
Method and apparatus for performing an ultrasonic survey
Method and system for independently filling multiple canisters from cascaded storage stations
Writing instrument
Pulsator type washing machine with drying function
Gear shift control system of hybrid vehicle
Compound computer machine and management method of compound computer machine
  Randomly Featured Patents
Production of high purity alumina
Bottle
New Guinea Impatiens plant named `Fisimp 130`
Method and apparatus to control locking of a tool turret
Field-effect semiconductor device
Method for driving a wavelength changeable light source apparatus, such a wavelength changeable light source apparatus and an optical communication system using the same
Method for generating transistor placement in an automatic cell layout design
Direct connect trailer tow interconnector
Block copolyesters which crystallize rapidly
Vibratory finishing device