Y - NEW / CROSS SECTIONAL TECHNOLOGIES
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y - NEW / CROSS SECTIONAL TECHNOLOGIES
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y - NEW / CROSS SECTIONAL TECHNOLOGIES
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E30/30 - Nuclear fission reactors
Y - NEW / CROSS SECTIONAL TECHNOLOGIES
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T137/2087 - Means to cause rotational flow of fluid [e.g., vortex generator]
F - MECHANICAL ENGINEERING
F16 - ENGINEERING ELEMENTS AND UNITS
F16J - PISTONS {
F16J15/44 - Free-space packings
G - PHYSICS
G21 - NUCLEAR PHYSICS
G21C - NUCLEAR REACTORS
G21C7/16 - Hydraulic or pneumatic drive
Y - NEW / CROSS SECTIONAL TECHNOLOGIES
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T137/2273 - Device including linearly-aligned power stream emitter and power stream collector