Temperature compensating control system for adjusting primary pr

Details Temperature compensating control system for adjusting primary pr Temperature compensating control system for adjusting primary pr

1989-08-07

1991-11-05

Jordan, Charles T.

Ammunition and explosives

Cartridges

102470, F42B 502

Patent

active

050623664

ABSTRACT:
A control system compensates for temperature dependent propellant burning characteristics by adjusting the chamber volume available to the propellant in an ammunition round. The control system includes a control tube housing, a piston assembly slidably mounted relative to the housing for movement through a drive stroke and being drivingly coupled to a trailing end of the projectile, and components responsive to the temperature of the round for adjusting the length of the drive stroke of the piston assembly in proportion to the temperature and thereby adjusting the position of the projectile and volume of the chamber in proportion to the temperature of the round.

REFERENCES:
patent: 4197801 (1980-04-01), LaFever et al.
patent: 4335657 (1982-06-01), Bains
patent: 4406229 (1983-09-01), Greene et al.
patent: 4777881 (1988-10-01), Candland et al.
patent: 4815387 (1989-03-01), Lubbers

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