Robert E Wagenfeld from 66 Bedford St, New York, NY 10014, Phone: 2123522809

Active Gas Turbine (Jet) Engine Noise Suppression
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US Patent:

53866894, Feb 7, 1995
Filed:

Oct 13, 1992
Appl. No.:

7/961612
Inventors:

Daniel J. Bozich - San Diego CA
Robert Wagenfeld - Westport CT
Assignee:

Noises Off, Inc. - White Plains NY
International Classification:

F02G 100
A61F 1106
H04R 302
US Classification:

60 3933
Abstract:

A method and a system for reducing the acoustic levels of internal and external sound fields generated by gas turbine engines has several actuators to generate sound, several sensors to measure the acoustic levels, and one or more controllers, The controllers are adaptive self-learning neural networks that control the actuators to generate sound in order to effect the reduction of the internal and external sound field as measured by the Sensors.

System For Reducing Aircraft Noise And Hush Kit
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US Patent:

48364690, Jun 6, 1989
Filed:

May 29, 1987
Appl. No.:

7/055635
Inventors:

Robert E. Wagenfeld - New York NY
Assignee:

Valsan Partners Limited Partnership - New York NY
International Classification:

B64D 2900
B64D 3304
US Classification:

244 1N
Abstract:

A system is provided for existing three-engine jet aircraft to reduce the noise levels at take-off and landing in order to meet governmental noise regulations. The system is particularly suitable for 727-200 aircraft having three JT8D engines. A hush kit is formed of the modified components for installation in existing airplanes.

Name / Title

Company / Classification

Phones & Addresses

Robert Wagenfeld
Vice-President

Opera Orchestra Of New York
Performing Arts · Theatrical Producers/Services · Theatrical Producers/Services Membership Organization

PO Box 231226, New York, NY 10023
344 E 63 St, New York, NY 10065
2129069137

Robert E Wagenfeld
Chairman, President, Treasurer, Director

REWRES, INC

202 10 Ave N, Safety Harbor, FL 34695
2 Judy Pt Ln, Westport, CT 06881

Robert E Wagenfeld