Axial turbine

• Main Authors: DUAN CHONGFEI, SEGAWA KIYOSHI, FUKUSHIMA HISATAKA, SUGISHITA HIDEAKI, ONO HIDEKI, KUWAMURA YOSHIHIRO, MATSUMOTO KAZUYUKI
• Format: Patent
• Language: Chinese; English
• Published: 10.11.2023
• Subjects: AIR INTAKES FOR JET-PROPULSION PLANTS; BLASTING; COMBUSTION ENGINES; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS; ENGINE PLANTS IN GENERAL; GAS-TURBINE PLANTS; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; STEAM ENGINES; WEAPONS

This axial turbine is provided with: a rotating shaft; a plurality of rotor blades having rotor blade bodies (42) and shrouds (43) and arranged at intervals in the circumferential direction; a housing (5) in which a recess (8) for accommodating the shield (43) is formed; a fin (7) that forms a gap (C) between the fin (7) and the outer peripheral surface (43A) of the shroud (43); a fixed blade support section (90) disposed on the downstream side of the recess (8); a plurality of fixed blades arranged at intervals in the circumferential direction; and an annular partition plate (70) extending upstream from the downstream surface (8D) of the recess, in which a bypass flow path (P) is formed in the housing, the bypass flow path (P) communicating a region further radially outward than the partition plate (70) and a region between the fixed blades. 本发明的轴流涡轮具备：旋转轴；多个转动叶片，具有转动叶片主体(42)及护罩(43)，并且在周向上隔着间隔排列；壳体(5)，形成有容纳护罩(43)的凹部(8)；翅片(7)，在其与护罩(43)的外周面(43A)之间形成间隙(C)；固定叶片支承部(90)，配置于凹部(8)的下游侧；多个固定叶片，在周向上隔着间隔排列；及环状的隔板(70)，从凹