Jeffrey D Rogers

US Patent:

8438930, May 14, 2013

Filed:

Jan 8, 2009

Appl. No.:

12/350704

Inventors:

Jeffrey J. Rogers - Centennial CO, US
Paul R. Brennan - Centennial CO, US

Assignee:

United Launch Alliance, LLC - Englewood CO

International Classification:

G01L 7/00
G01F 23/00
B64G 1/40

US Classification:

73700, 73290 R, 2441722

Abstract:

A liquid/gas interface pressure accumulator and mechanical filter device is especially adapted for use within a propellant utilization monitoring system of a space launch vehicle. The device provides a retrofit solution for overcoming problems associated with liquid entering a pressure sensing lines and pressure noises that collectively harm the ability to accurately measure fuel and oxidizer levels. One device is attached to each fuel and oxidizer tank of the launch vehicle. Each device includes a housing and an internal sensing chamber that is used to accumulate liquid before it can enter a pressure sensing communication line connected to a pressure sensing transducer. The construction of the device also allows filtering of undesirable pressure noises due to vibration, pressure pulsations, and other vibratory events that occur during operation of the space vehicle. The device is also selectively tunable to filter out certain frequencies and frequency ranges/bands. The invention in other aspects includes methods of improving pressure sensing applications in a propellant utilization monitoring system.

US Patent:

58360166, Nov 17, 1998

Filed:

Feb 2, 1996

Appl. No.:

8/580121

Inventors:

David L. Jacobs - Boulder CO
Eric L. Eagen - Littleton CO
Jeffrey J. Rogers - Littleton CO

International Classification:

A41D 1300

US Classification:

2 69

Abstract:

A method and system for reducing drag on the movement of the human body through air or other fluid mediums and improving heat transfer including a placement of trip mechanisms at predisposed locations on the human body with the mechanisms constituting elongated protrusions adapted to intercept the laminar flow of fluid across the body and prematurely trip the laminar flow into turbulence whereby the downstream pressure on the body is increased allowing the body to move more freely through the fluid medium.

US Patent:

58095675, Sep 22, 1998

Filed:

Dec 2, 1996

Appl. No.:

8/759314

Inventors:

David L. Jacobs - Boulder CO
Eric L. Eagen - Littleton CO
Jeffrey J. Rogers - Littleton CO

International Classification:

A41D 1300

US Classification:

2 1

Abstract:

A method and system for reducing drag on the movement of the human body through air or other fluid mediums and improving heat transfer including a placement of trip mechanisms at predisposed locations on the human body with the mechanisms constituting elongated protrusions adapted to intercept the laminar flow of fluid across the body and prematurely trip the laminar flow into turbulence whereby the downstream pressure on the body is increased allowing the body to move more freely through the fluid medium.

US Patent:

60981989, Aug 8, 2000

Filed:

Nov 16, 1998

Appl. No.:

9/192739

Inventors:

David L. Jacobs - Boulder CO
Eric L. Eagen - Littleton CO
Jeffrey J. Rogers - Littleton CO

International Classification:

A41B 100

US Classification:

2 69

Abstract:

A method and system for reducing drag on the movement of the human body through air or other fluid mediums and improving heat transfer including a placement of trip mechanisms at predisposed locations on the human body with the mechanisms constituting elongated protrusions adapted to intercept the laminar flow of fluid across the body and prematurely trip the laminar flow into turbulence whereby the downstream pressure on the body is increased allowing the body to move more freely through the fluid medium.