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Ralph Klestadt Phones & Addresses

  • 5855 Kolb Rd, Tucson, AZ 85750 (520) 395-2936
  • Van Nuys, CA
  • 5855 N Kolb Rd Unit 12103, Tucson, AZ 85750 (520) 395-2936

Publications

Us Patents

Precision-Guided Hypersonic Projectile Weapon System

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US Patent:
6614012, Sep 2, 2003
Filed:
Feb 28, 2001
Appl. No.:
09/795577
Inventors:
Arthur J. Schneider - Tucson AZ
Ralph H. Klestadt - Tucson AZ
David A. Faulkner - Tucson AZ
Assignee:
Raytheon Company - El Segundo CA
International Classification:
F42B 1522
US Classification:
244 31
Abstract:
A precision-guided hypersonic projectile weapon system. The inventive system includes a first subsystem for determining a target location and providing data with respect thereto. A second subsystem calculates trajectory to the target based on the data. The projectile is then launched and guided in flight along the trajectory to the target. In the illustrative application, the projectile is a tungsten rod and the first subsystem includes a forward-looking infrared imaging system and a laser range finder. The second subsystem includes a fire control system. The fire control system includes an optional inertial measurement unit and predicts target location. The projectile is mounted in a missile launched from a platform such as a vehicle. After an initial burn, the missile launches the projectile while in flight to the target. The missile is implemented with a rocket with a guidance system and a propulsion system.

Single Actuator Direct Drive Roll Control

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US Patent:
6848648, Feb 1, 2005
Filed:
Feb 25, 2003
Appl. No.:
10/374845
Inventors:
Ralph H. Klestadt - Tucson AZ, US
Robert D. Stratton - Tucson AZ, US
Christopher P. Owan - Tucson AZ, US
Laurence F. Prudic - Sahuarita AZ, US
Assignee:
Raytheon Company - Waltham MA
International Classification:
F42B 1002
F42B 1000
US Classification:
244 323, 244 31, 102501
Abstract:
A system and method for controlling roll in a projectile. The novel system () includes first () and second () sections adapted to counter-rotate relative to each other and a mechanism () for inducing the counter-rotation to generate a roll torque on the projectile (). In the preferred embodiment, the mechanism () is a motor comprised of a rotor () affixed to the first section (), and the second section () which acts as a stator that rotates around the rotor () when a current is applied to the armature. In an alternative embodiment, the second section () is turned by a motor () attached to the first section () which drives a small gear engaging a full-diameter ring gear () on the second section (). In the illustrative examples, the first () and second () sections are a missile forebody and a tail section of the projectile.

Aerodynamic Flight Termination System And Method

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US Patent:
8367993, Feb 5, 2013
Filed:
Jul 16, 2010
Appl. No.:
12/837587
Inventors:
Javier Velez - Tucson AZ, US
Ralph H. Klestadt - Tucson AZ, US
Assignee:
Raytheon Company - Waltham MA
International Classification:
F42B 15/01
US Classification:
244 328, 244 329, 244 327
Abstract:
A missile has a flight termination system that includes deployable lift surfaces that deploy forward of a center of gravity of the missile. When deployed, the lift surfaces cause the missile to rotate about its longitudinal axis. This rotation eventually increases in rate until the missile nears a natural roll frequency of the missile. As the missile nears or reaches its natural roll frequency, the missile's nose pitches up, angle of attack diverges and the missile tumbles, resulting in rapid termination of flight by loss of aerodynamic lift, vertical plunging and crashing. The lift surfaces may be curved surfaces that conform to the shape of a fuselage of the missile, prior to the deployment of the lift surfaces. The lift surfaces may be canted slightly relative to a missile longitudinal axis when the lift surfaces are deployed, so as to provide a sufficient rolling moment to overcome aerodynamic damping or resistance (roll drag) of the missile.

In-Flight Reconfigurable Missile Construction

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US Patent:
50057812, Apr 9, 1991
Filed:
Mar 27, 1989
Appl. No.:
7/328828
Inventors:
Scott D. Baysinger - Chatsworth CA
Ralph H. Klestadt - Encino CA
Assignee:
Hughes Aircraft Company - Los Angeles CA
International Classification:
F42B 1012
US Classification:
244 326
Abstract:
A staged missile which is reconfigured in-flight solely by changing vehicle dynamics enabling packaging of kinetric energy kill capability in severely constrained envelopes, thus retaining the use of existing tactical assets to counter advanced armored threats.

Rotationally Mounted Flexible Band Wing

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US Patent:
54173930, May 23, 1995
Filed:
Apr 27, 1993
Appl. No.:
8/052985
Inventors:
Ralph H. Klestadt - Sherman Oaks CA
Assignee:
Hughes Aircraft Company - Los Angeles CA
International Classification:
F42B 1016
US Classification:
244 327
Abstract:
A vehicle such as a missile (20) includes an aerodynamically shaped missile body (22) having a longitudinal centerline, a set of control surfaces (26) joined to the missile body (22), and, preferably, a propulsion system (28) operable to drive the missile body (22) forwardly. A cylindrical rotational bearing (32) is mounted on the missile body (22) with its cylindrical axis parallel to the longitudinal centerline (24) of the missile body. A flexible band wing (38) is supported from the rotational bearing (32). The flexible band wing (38) may rotate about the centerline (24) of the missile body (22) responsive to aerodynamic forces exerted on the missile body (22) and the flexible band wing (38) to aid in making maneuvers without requiring the missile (20) to bank to align the flexible band wing (38) with the direction of the maneuver.

Aerodynamic Lifting And Control Surface And Control System Using Same

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US Patent:
56428677, Jul 1, 1997
Filed:
Jun 6, 1995
Appl. No.:
8/471469
Inventors:
Ralph H. Klestadt - Tucson AZ
Assignee:
Hughes Missile Systems Company - Los Angeles CA
International Classification:
B64C 338
B64C 356
F42B 1016
US Classification:
244 49
Abstract:
An aerodynamic lifting and control surface comprising an external box structure that encloses an internal grid whose members are parallel to the box structure. The external box structure comprises four panels connected at their comers by spring hinges. When the hinges are unconstrained, the external box structure is compressed into a flat, thin parallelogram shape. The internal grid comprises a plurality of plates connected to each other and to the external box structure by flexible hinges. Control apparatus for use with an aerodynamic vehicle is also disclosed. The control apparatus comprises at least one aerodynamic lifting and control surface that is coupled to an actuator disposed within the vehicle and connected to the aerodynamic lifting and control surface for rotating it.

Multiple Missile Ejection System

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US Patent:
53335287, Aug 2, 1994
Filed:
Aug 28, 1992
Appl. No.:
7/937251
Inventors:
Ralph H. Klestadt - Sherman Oaks CA
Richard R. Finn - Palmdale CA
Assignee:
Hughes Aircraft Company - Los Angeles CA
International Classification:
F41F 3042
US Classification:
89 151
Abstract:
A multiple missile ejection system (10) by which first and second missiles (14) and (16) are stored in a single launch tube (12). Each missile is ejected by a gas bag. In a particular embodiment, two gas bags are used. The first gas bag (18) is mounted between the first and second missiles (14) and (16) respectively. The second gas bag (20) is mounted between the second missile (16) and an end of the launch tube. When deflated, the first gas bag (18) has a longitudinal aperture (28) through the center thereof which allows for the ejection of the second missile (16) by the second gas bag (20).
Ralph H Klestadt from Tucson, AZ, age ~64 Get Report