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2 690 472

(13)

(51)

IPC

F02K9/10(2006-01-01)

(21) (22)

Application

2018127919, 2018-07-30

(24)

Start date

2018-07-30

(22)

Actual filing date

2018-07-30

(45)

Published

2019-06-03

(72)

Inventor

Volyanyuk Sergej GeorgievichPetrushanskij Vladislav BentsionovichGazizullin Marat RaisovichShikova Lyudmila PavlovnaGatina Roza FatykhovnaMikhajlov Yurij Mikhajlovich

(73)

Holder

Federalnoe Kazennoe Predpriyatie Nauchno-Issledovatelskij Institut Khimicheskikh Produktov"

SOLID-PROPELLANT CHARGE FOR STARTING JET ENGINES Russian patent published in 2019 - IPC F02K9/10

Abstract RU 2690472 C1

FIELD: machine building.

SUBSTANCE: invention relates to a solid-propellant charge of a brush structure designed to be used as an energy source in starting jet engines with short operating time used in grenade launchers, flamethrowers and anti-tank guided missiles. Charge of solid fuel is made from a bundle of double- or triple base gun pellets attached to the bottom of the starting jet engine. Each cartridge has an S-shaped cross-section, wherein in the charge the width of the longitudinal gaps is 1.4–2.0 of the thickness of the burning roof in the S-shaped section, and the internal diameter of the section roundness is equal to 2.5–3.0 of the thickness of the burning arch. When using elements of S-shaped section, the strength of the charge as a whole and its resistance to radial loads from the effects of gases of the central ignition device are improved, and also optimum characteristics of combustion without pressure drop on the surface of powder elements (blocks).

EFFECT: charge has higher energy and ballistic characteristics and provides safety of shooter during shooting.

1 cl, 3 dwg, 1 tbl

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RU 2 690 472 C1

Authors

Volyanyuk Sergej Georgievich

Petrushanskij Vladislav Bentsionovich

Gazizullin Marat Raisovich

Shikova Lyudmila Pavlovna

Gatina Roza Fatykhovna

Mikhajlov Yurij Mikhajlovich

Dates

2019-06-03—Published

2018-07-30—Filed