Feng Fei Zheng

US Patent:

6589682, Jul 8, 2003

Filed:

Aug 18, 2000

Appl. No.:

09/642198

Inventors:

Karen Fleckner - Tacoma WA 98422
Feng Zheng - Seattle WA 98115
Cynthia Buenviaje - Seattle WA 98125
Yao Huang - Vancouver WA 98683
Jeff Pedersen - Tacoma WA 98408
David Lim - Seattle WA 98115
H. Sho Fuji - Seattle WA 98125
Jeremy Hergesheimer - Seattle WA 98105
Michael Treiber - Seattle WA 98105

International Classification:

H01M 202

US Classification:

429 34, 429 37, 429 38, 429 46

Abstract:

A novel design and process for: a) a membrane electrode assembly (MEA) with aligned carbon nanotubes as a nano-scale gas distributor which yield better gas conversion efficiencies in PEM fuel cells, and (b) doped silicon flow field plates (FFP) which increase electrode conductivity of the membrane-catalyst-gas diffusion layer (GDL)-FFP interfaces of the proton exchange membrane fuel cell (PEMFC). Also, part of the invention are a stacking configuration and a gas distribution design that also enhance conductivity of carbon/metal catalyst/electrode, GDL, and FFP interfaces surfaces without crushing the FFPs. Aligned carbon nanoscale gas distributors are employed at the interfaces, thereby increasing the overall performance of the PEMFC. The FFPs are easy to manufacture and mass-producible, yet mechanically sturdy and significantly lighter in weigh than their conventional counterparts. Another novel feature of the invention is an integrated monitoring and communication/Internet system located directly or connected to the FFP.

US Patent:

20040086768, May 6, 2004

Filed:

Mar 17, 2003

Appl. No.:

10/391547

Inventors:

Karen Fleckner - Tacoma WA, US
Feng Zheng - Seattle WA, US
Cynthia Buenviaje - Seattle WA, US
Yao Huang - Vancouver WA, US
Jeff Pedersen - Tacoma WA, US
David Lim - Seattle WA, US
H. Fuji - Seattle WA, US
Jeremy Hergesheimer - Seattle WA, US
Michael Treiber - Seattle WA, US

International Classification:

H01M008/02
H01M008/24
H01M008/10
H01M004/96
H01M004/92
H01M008/04
H01M004/88
B05D005/12

US Classification:

429/038000, 429/030000, 429/044000, 429/032000, 429/022000, 429/025000, 429/033000, 502/101000, 427/115000

Abstract:

A novel design and process for: (a) a membrane electrode assembly (MEA) with aligned carbon nanotubes as a nano-scale gas distrubutor which yield better gas conversion efficiencies in PEM fuel cells, and (b) doped silicon flow field plates (FFP) which increase electrode conductivity of the membrane-catalyst-gas diffusion layer (GDL)-FFP interfaces of the proton exchange membrane fuel cell (PEMFC). Also, part of the invention are a stacking configuration and a gas distribution design that also enhance conductivity of carbon/metal catalyst/electrode, GDL, and FFP interface surfaces without crushing the FFPs. Aligned carbon nanoscale gas distributors are employed at the interfaces, thereby increasing the overall performance of th PEMFC. The FFPs are easy to manufacture and mass-producible, yet mechanically sturdy and significantly lighter in weight than their conventional counterparts. Another novel feature of the invention is an integrated monitoring and communication/Internet system located directly or connected to the FFP.

US Patent:

20160371884, Dec 22, 2016

Filed:

Jun 17, 2015

Appl. No.:

14/742458

Inventors:

- Redmond WA, US
Andrew D. WILSON - Seattle WA, US
Eyal OFEK - Redmond WA, US
Feng ZHENG - Chapel Hill NC, US

Assignee:

Microsoft Technology Licensing, LLC - Redmond WA

International Classification:

G06T 19/00
H04N 5/232

Abstract:

The described implementations relate to complementary augmented reality. One implementation is manifest as a system including a projector that can project a base image from an ancillary viewpoint into an environment. The system also includes a camera that can provide spatial mapping data for the environment and a display device that can display a complementary three-dimensional (3D) image to a user in the environment. In this example, the system can generate the complementary 3D image based on the spatial mapping data and the base image so that the complementary 3D image augments the base image and is dependent on a perspective of the user. The system can also update the complementary 3D image as the perspective of the user in the environment changes.