James E Cross

US Patent:

20020000066, Jan 3, 2002

Filed:

Jun 1, 2001

Appl. No.:

09/872166

Inventors:

Jeffrey Bentley - Westford MA, US
William Mitchell - Belmont MA, US
Lawrence Clawson - Dover MA, US
James Cross - Ipswich MA, US

International Classification:

B01J007/00
B01J008/02
B01J035/02

US Classification:

048/061000, 422/211000, 422/192000

Abstract:

A reformer reactor for producing a hydrogen-rich gas includes a first zone , a second zone , a third zone , a fourth zone and a product gas collection space . The zones are sequentially adjacent. A flow path Pis provided for directing flow of a reaction stream in diverging directions from the first zone into the second zone , the flow of the reaction stream continuing in the same general diverging directions through the second zone and into and through the third and fourth zones . Directing the flow in diverging directions permits flow into and through a zone over more than just a single cross-sectional geometry of the zone or a single cross-section of the flow path transverse to the direction of flows. This configuration can be used to require a lower pressure for flowing the reaction stream so as to reduce the parasitic requirements of the reactor. This configuration can also be used to increase throughput of the reactor.

US Patent:

62453033, Jun 12, 2001

Filed:

Jan 14, 1998

Appl. No.:

9/006727

Inventors:

Jeffrey M. Bentley - Westford MA
William L. Mitchell - Belmont MA
Lawrence G. Clawson - Dover MA
James C. Cross - Ipswich MA

Assignee:

Arthur D. Little, Inc. - Cambridge MA

International Classification:

B01J 802
B01J 804

US Classification:

422193

Abstract:

A reformer reactor 10 for producing a hydrogen-rich gas includes a first zone 18, a second zone 20, a third zone 22, a fourth zone 24 and a product gas collection space 40. The zones are sequentially adjacent. A flow path P1 is provided for directing flow of a reaction stream in diverging directions from the first zone 18 into the second zone 20, the flow of the reaction stream continuing in the same general diverging directions through the second zone 20 and into and through the third and fourth zones 22,24. Directing the flow in diverging directions permits flow into and through a zone over more than just a single cross-sectional geometry of the zone or a single cross-section of the flow path transverse to the direction of flows. This configuration can be used to require a lower pressure for flowing the reaction stream so as to reduce the parasitic requirements of the reactor. This configuration can also be used to increase throughput of the reactor.

US Patent:

43522076, Sep 28, 1982

Filed:

Apr 18, 1980

Appl. No.:

6/141603

Inventors:

James A. Cross - Azusa CA
John E. Snyder - Diamond Bar CA

Assignee:

R.F. Technical Products, Inc. - Diamond Bar CA

International Classification:

H04B 110

US Classification:

455223

Abstract:

A noise-suppressing circuit suitable for insertion between a receiving antenna and an RF receiver to suppress noise in the RF signal received by the receiving antenna includes a bandpass filter circuit connected to receive as an input the RF signal received by the antenna, and connected in series to a blanking circuit which employs a JFET to remove from the filtered RF signal the unwanted noise spikes. The bandpass filter attenuates the components of the RF signal that have frequencies outside of the passband, and after the blanking circuit has removed the noise spikes, it passes the remainder of the filtered RF signal to the RF receiver. In a preferred embodiment, the bandpass filter circuit includes a parallel resonant circuit, and the blanking circuit includes a series resonant circuit connected between the drain and the gate of JFET of the blanking circuit.