(19)
(11)
EP 4 493 794 A1
(12)
(43)
Date of publication:
22.01.2025
Bulletin 2025/04
(21)
Application number:
22711509.4
(22)
Date of filing:
01.03.2022
(51)
International Patent Classification (IPC):
F01B
7/00
(2006.01)
F02B
75/32
(2006.01)
F01B
9/02
(2006.01)
(52)
Cooperative Patent Classification (CPC):
F01B
7/00
;
F01B
9/023
;
F01B
9/026
;
F02B
75/32
(86)
International application number:
PCT/EP2022/055190
(87)
International publication number:
WO 2023/165686
(
07.09.2023
Gazette 2023/36)
(84)
Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN
(71)
Applicant:
LVS Motors OÜ
12111 Tallinn (EE)
(72)
Inventors:
RÄMMAL, Hans
10123 Tallinn (EE)
VILLAU, Margus
44305 Sõmeru (EE)
(74)
Representative:
AAA Patendibüroo OÜ
Tartu mnt 16
10117 Tallinn
10117 Tallinn (EE)
(54)
A COMPOSITE PISTON FOR AN ENGINE-GENERATOR WITH SLOTTED LINK MECHANISM