Ordnance – Rocket launching – Having guide means
Patent
1992-07-08
1993-05-11
Brown, David H.
Ordnance
Rocket launching
Having guide means
114238, F41F 310
Patent
active
052103692
ABSTRACT:
A self-actuating slide valve system for launching a device in a fluid envnment is provided. An interior channel, in which the device is positioned, is provided with first and second openings in its radial walls for allowing the passage of pressurized fluid into the interior channel. The first opening is located at least partially behind a tail end of the device and the second opening is located forward of the first opening. A sleeve is slidably fitted within a portion of the interior channel and around at least a portion of the device. The sleeve is movable between at least a first and second position. In the first position, the sleeve prevents the pressurized fluid from entering the interior channel through the first opening. In the second position, the sleeve allows the pressurized fluid to enter the interior channel through the first opening whereby the pressurized fluid can act on the tail end of the device to launch same through an axial opening of the interior channel. In this way, the interior channel, the sleeve and the circumferential extremity define a holding volume in communication with the second opening that is: (1) supplied with the pressurized fluid to maintain the sleeve in its first position and, (2) evacuated of the pressurized fluid to permit the sleeve to attain its second position.
REFERENCES:
patent: 1526256 (1925-02-01), Techel
patent: 2848970 (1958-08-01), Gunning
patent: 4523538 (1985-06-01), Hollmann et al.
patent: 4527502 (1985-07-01), Schmitt
patent: 4848210 (1989-07-01), Bissonnette
patent: 5085122 (1992-02-01), Berlam et al.
patent: 5099745 (1992-03-01), Hubbell et al.
Brown David H.
Lall Prithvi C.
McGowan Michael J.
Oglo Michael F.
The United States of America as represented by the Secretary of
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