Patents-Review.com
ClassID:

145267 ⎘

F05D2210/44 - CPC Classification

Classification description:

Working fluids; Flow geometry or direction bidirectional, i.e. in opposite, alternating directions

Recent Application in this class:
#1
20230072638
2023-03-09

Energy storage plant and process

 #2
20220145804
2022-05-12

METHOD FOR STARTING A TURBINE ENGINE IN COLD WEATHER AND SYSTEM FOR STARTING A TURBINE ENGINE

 #3
20220145778
2022-05-12

Energy storage plant and process

 #4
20210078837
2021-03-18

Bidirectional thrust apparatus, system, and method

 #5
20210062721
2021-03-04

Method for starting a turbine engine in cold weather and system for starting a turbine engine

 #6
20200256191
2020-08-13

BOUNDARY LAYER TURBOMACHINE

 #7
20180258859
2018-09-13

Intercooled cooling air with dual pass heat exchanger

 #8
20180066587
2018-03-08

Intercooled cooling air with dual pass heat exchanger

 #9
20170284296
2017-10-05

Secondary airflow passage for adjusting airflow distortion in gas turbine engine

 #10
20170074106
2017-03-16

Mixing chambers for turbine wheel space cooling

 #11
20170002735
2017-01-05

Advanced distributed engine architecture-design alternative

 #12
20160312704
2016-10-27

Intercooled cooling air with dual pass heat exchanger

 #13
20160258442
2016-09-08

Boundary layer turbomachine

 #14
20140056691
2014-02-27

Impulse turbine for use in bi-directional flows

 #15
20130294883
2013-11-07

Gas turbomachine including a counter-flow cooling system and method

 #16
20100209236
2010-08-19

Impulse turbine for use in bi-directional flows

 #17
20090285683
2009-11-19

Triangular serpentine cooling channels

 #18
20080265583
2008-10-30

Water turbine with bi-symmetric airfoil

 #19
20060159550
2006-07-20

Horizontal axis wind turbine

 #20
20050271508
2005-12-08

Flexible turbine blade