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Duo M Wang

from Albany, CA
Age ~67
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Also known as:
Duo Tr Wang, Duo D Wang, Mor Duo Wang, Mor D Wang, Duo Wang Mor, Wang Duo
Phone and address:
822 Madison St, Berkeley, CA 94706
Related to:
Shaobo Wang, 38
Connected to:
Aaron Wang, 36Aijie Wang, 53Ailin Y Wang, 67Aiying Wang, 63Alex F Wang, 50Alexandra Wang, 50Alfred C Wang, 47Ally H Wang, 49Amerfil M Wang, 79Andreas Wang, 27

Duo Wang Phones & Addresses

  • 822 Madison St, Albany, CA 94706
  • Berkeley, CA
  • Emeryville, CA
  • Alameda, CA

Publications

Us Patents

Tracer Airflow Measurement System (Trams)

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US Patent:
7207228, Apr 24, 2007
Filed:
Aug 11, 2004
Appl. No.:
10/917161
Inventors:
Duo Wang - Albany CA, US
Assignee:
The Regents of the University of California - Oakland CA
International Classification:
G01F 1/704
US Classification:
7386107
Abstract:
A method and apparatus for measuring fluid flow in a duct is disclosed. The invention uses a novel high velocity tracer injector system, an optional insertable folding mixing fan for homogenizing the tracer within the duct bulk fluid flow, and a perforated hose sampling system. A preferred embodiment uses COas a tracer gas for measuring air flow in commercial and/or residential ducts. In extant commercial buildings, ducts not readily accessible by hanging ceilings may be drilled with readily plugged small diameter holes to allow for injection, optional mixing where desired using a novel insertable foldable mixing fan, and sampling hose.

Method And Apparatus For Duct Sealing Using A Clog-Resistant Insertable Injector

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US Patent:
7851017, Dec 14, 2010
Filed:
Aug 29, 2006
Appl. No.:
11/511785
Inventors:
Duo Wang - Albany CA, US
Mark P. Modera - Piedmont CA, US
Assignee:
The Regents of the University of California - Oakland CA
International Classification:
B05D 1/02
B05B 1/24
B05B 7/06
US Classification:
427237, 427422
Abstract:
A method for forming a duct access region through one side of a previously installed air duct, wherein the air duct has an air flow with an air flow direction by inserting an aerosol injector into a previously installed air duct through the access region. The aerosol injector includes a liquid tube having a liquid tube orifice for ejecting a liquid to be atomized; and a propellant cap. The method is accomplished by aligning the aerosol injector with the direction of air flow in the duct; activating an air flow within the duct; and spraying a sealant through the aerosol injector to seal the duct in the direction of the air flow.

Method And Apparatus For Duct Sealing Using A Clog-Resistant Insertable Injector

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US Patent:
20030138558, Jul 24, 2003
Filed:
Dec 3, 2002
Appl. No.:
10/310253
Inventors:
Duo Wang - Albany CA, US
Mark Modera - Piedmont CA, US
Assignee:
The Regents of the University of California - Oakland CA
International Classification:
B05D001/02
B05D007/22
US Classification:
427/230000, 427/421000, 138/097000
Abstract:
A clog-resistant injector spray nozzle allows relatively unobtrusive insertion through a small access aperture into existing ductwork in occupied buildings for atomized particulate sealing of a ductwork. The spray nozzle comprises an easily cleaned and easily replaced straight liquid tube whose liquid contents are principally propelled by a heated propellant gas, such as heated air. Heat transfer is minimized from the heated propellant gas to the liquid tube until they both exit the injector, thereby greatly reducing the likelihood of nozzle clogging. A method of duct sealing using particles driven by heated propellant gas is described, whereby duct-sealing operations become both faster, and commercially practicable in inhabited commercial and residential buildings.

Isbn (Books And Publications)

Normal Forms and Bifurcation of Planar Vector Fields

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Author

Duo Wang

ISBN #

0521372267

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Duo M Wang from Albany, CA, age ~67 Get Report