F
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
 F01 - 
F04
Subsection index
MACHINES
positive displacement
rotary or oscillating piston
liquid and elastic fluid or elastic fluidF01C
liquid onlyF04C
reciprocating piston or other
liquid and elastic fluid or elastic fluidF01B
liquid onlyF04B
non-positive displacement
liquid and elastic fluid or elastic fluidF01D
liquid onlyF03B
ENGINES
positive displacement
rotary or oscillating piston
liquid and elastic fluid or elastic fluidF01C
liquid onlyF03C
reciprocating piston or other
liquid and elastic fluid or elastic fluidF01B
liquid onlyF03C
non-positive displacement
liquid and elastic fluid or elastic fluidF01D
liquid onlyF03B
PUMPS
positive displacement
rotary or oscillating pistonF04C
reciprocating piston or otherF04B
non-positive displacementF04D
  
ENGINEERING IN GENERAL
 F17
STORING OR DISTRIBUTING GASES OR LIQUIDS (water supply E03B)
 F17C
VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES (storing fluids in natural or artificial cavities or chambers in the earth B65G 5/00; construction or assembling of bulk storage containers employing civil-engineering techniques E04H 7/00; variable-capacity gas-holders F17B; liquefaction or refrigeration machines, plants, or systems F25)
 F17C
Subclass index
VESSELS UNDER PRESSURE; VESSELS NOT UNDER PRESSURE; DETAILS 1/00; 3/00; 13/00
FILLING; DISCHARGING 5/00, 6/00; 7/00, 9/00
USE OF GAS-SOLVENTS OR GAS-ABSORBENTS 11/00
P:30 F17C 1/00
Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge (pressurised apparatus for purposes other than storage, see the relevant subclasses such as A62C, B05B; associated with vehicles, see the appropriate subclass of classes B60-B64; pressure vessels in general F16J 12/00)
 F17C 1/02
·  involving reinforcing arrangements  [4]
 F17C 1/04
·  ·  Protecting sheatings
 F17C 1/06
·  ·  ·  built-up from wound-on bands or filamentary material, e.g. wires  [4]
 F17C 1/08
·  ·  Integral reinforcements, e.g. ribs
 F17C 1/10
·  with provision for protection against corrosion, e.g. due to gaseous acid (inhibiting corrosion of metallic material or incrustation in general C23F)  [4]
 F17C 1/12
·  with provision for thermal insulation (thermal insulation in general F16L 59/00)  [4]
 F17C 1/14
·  constructed of aluminium; constructed of non-magnetic steel
 F17C 1/16
·  constructed of plastics materials
P:60 F17C 3/00
Vessels not under pressure
 F17C 3/02
·  with provision for thermal insulation (thermal insulation in general F16L 59/00)
 F17C 3/04
·  ·  by insulating layers (F17C 3/08 takes precedence)
 F17C 3/06
·  ·  ·  on the inner surface, i.e. in contact with the stored fluid  [4]
 F17C 3/08
·  ·  by vacuum spaces, e.g. Dewar flask (for household use A47J 41/02)
 F17C 3/10
·  ·  by liquid-circulating or vapour-circulating jackets
 F17C 3/12
·  with provision for protection against corrosion, e.g. due to gaseous acid (protection against corrosion in general C23F)
P:10 F17C 5/00
Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases (adding propellants to aerosol containers B65B 31/00)
 F17C 5/00

Note(s)

This group covers:

 F17C 5/02
·  for filling with liquefied gases
 F17C 5/04
·  ·  requiring the use of refrigeration, e.g. filling with helium or hydrogen
 F17C 5/06
·  for filling with compressed gases
P:40 F17C 6/00
Methods or apparatus for filling vessels not under pressure with liquefied or solidified gases  [3]
P:20 F17C 7/00
Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
 F17C 7/02
·  Discharging liquefied gases
 F17C 7/04
·  ·  with change of state, e.g. vaporisation  [3]
P:50 F17C 9/00
Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
 F17C 9/02
·  with change of state, e.g. vaporisation
 F17C 9/04
·  ·  Recovery of thermal energy  [3]
P:0 F17C 11/00
Use of gas-solvents or gas-sorbents in vessels
P:70 F17C 13/00
Details of vessels or of the filling or discharging of vessels
 F17C 13/02
·  Special adaptations of indicating, measuring, or monitoring equipment (measuring in general G01)
 F17C 13/04
·  Arrangement or mounting of valves (valves per se F16K)
 F17C 13/06
·  Closures, e.g. cap, breakable member (closures for containers in general B65D)
 F17C 13/08
·  Mounting arrangements for vessels
 F17C 13/10
·  Arrangements for preventing freezing
 F17C 13/12
·  Arrangements or mounting of devices for preventing or minimising the effect of explosion (flame traps A62C 4/00)