Research/Patents/US 4562699
US 4562699ACTIVE SECRECY ORDER

MIXING CHAMBERS FOR CONTINUOUS FLOW ROCKET OR MISSILE ENGINES

Assignee

ROLLS-ROYCE LIMITED

Filed

Oct 22, 1962

Granted

Jan 7, 1986

Location

A COMPANY OF BRITISH, BRISTOL ENGLAND

Abstract

A combustion system comprising a tubular structure having an upstream end and defining within it a longitudinal passage. A tubular wall surrounding the structure and defining with the structure a further longitudinal passage, of annular cross section. The tubular structure having longitudinally extending, circumferentially spaced staves and longitudinally spaced coaxial hoops for the passage of fluid, the hoops being shaped to deflect substantially axially flowing fluid either inwards or outwards through the openings for discharge either inside or outside the assembly respectively.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Oct 6, 1982

Rescinded

Never rescinded

Duration

43y 8mo — still active

This secrecy order has no recorded rescission date in USPTO records. The order may still be legally in force, or rescission data may not be publicly available.

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records