公开(公告)号：US20140260295A1

公开(公告)日：2014-09-18

申请号：US13804799

申请日：2013-03-14

Applicant: PRATT & WHITNEY CANADA CORP.

Inventor： Richard ULLYOTT ,  Lazar MITROVIC ,  Jean DUBREUIL ,  Stephen Christopher KENNY ,  Guy BOUCHARD ,  Ilya B. MEDVEDEV ,  Keith MORGAN ,  Daris Jehangir KARANJIA ,  Nashed Azer YOUSSEF

IPC: F02C3/113

CPC classification number: F02C3/113 ,  F02C3/107 ,  F02C7/36 ,  F02C9/56 ,  F05D2260/4031

Abstract: A method of adjusting a rotational speed of the low pressure compressor rotor(s) of a gas turbine engine, including rotating the high pressure compressor rotor(s) with the high pressure turbine rotor(s) through the high pressure spool, rotating the low pressure turbine rotor(s) with a flow of exhaust gases from the high pressure turbine, rotating the low pressure spool with the low pressure turbine rotor(s), rotating a load of the engine with the low pressure spool, driving a rotation of the low pressure compressor rotor(s) with the low pressure spool through a variable transmission defining a variable transmission ratio between rotational speeds of the compressor rotor(s) and the low pressure spool, and adjusting the transmission ratio to obtain a desired rotational speed for the low pressure compressor rotor(s). A method of adjusting rotational speeds of a gas turbine engine and a gas turbine engine are also described.

Abstract translation: 一种调节燃气涡轮发动机的低压压缩机转子的转速的方法，包括通过高压阀芯与高压涡轮转子一起旋转高压压缩机转子，使低压 来自高压涡轮机的废气流的高压涡轮机转子，用低压涡轮转子旋转低压阀芯，用低压阀芯旋转发动机的负载，驱动 通过限定压缩机转子和低压阀芯的转速之间的可变传动比的可变传动装置与低压阀芯连接的低压压缩机转子，并且调整传动比以获得所需的转速 低压压缩机转子。 还描述了一种调节燃气涡轮发动机和燃气涡轮发动机的转速的方法。