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Ivan A Koval

Efim S Gorbulev

Jury M Kontsov

Rusaam S Nemets

Vsevolod N Bernadsky

Viktor P Moldavanov

Lev A Burov

Felix A Brainman

Boris S Eremenko

Anatoly V Adamovich

Yakov I Sherman

Alexandr N Shalai

Nikolai N Meleshko

Arkady B Menaker

Vladimir G Kislov

Anatoly D Stretovich

Vladimir R Ryabov

Daniil M Rabkin

Vladimir A Kirpaty

Valery F Zlobin

A compound oil ring comprises flat rings and a tangential expander provided therebetween. The tangential expander comprises an annular integrally bent serpentine spring having vertically extending webs and horizontally extending flanges terminating in vertically extending bearing shoulders. Each vertically extending flange is bent so as to form at least one bend extending into the interior of the compound oil ring.

Piston ring assembly with tangential expander

A method of depositing a layer of a metal other than aluminium onto an aluminium-base alloy with the use of surfacing material based on alloying element, wherein the deposition process is conducted at a heat output of the heat source of from 10.sup.3 to 10.sup.5 W per sq cm and the surfacing material being added to the welding pool in an amount of from 20 to 98% by weight, whereafter the metal thus deposited is remelted, with the weld pool volume being increased 1.2-10.0 times each time when the deposited metal is remelted.

Weld deposition of metal other than aluminium onto aluminium-base alloy

Growing community of inventors

Kharkiv, Ukraine

Ivan A Koval