IPC 6 English version F17D !A-F17D 5/08

F17D-F17D00508

SECTION F– MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F 17

STORING OR DISTRIBUTING GASES OR LIQUIDS (water supply E 03 B)

F 17 D

PIPE-LINE SYSTEMS; PIPE-LINES (pumps or compressors F 04; fluid dynamics F 15 D; valves or the like F 16 K; pipes, laying pipes, supports, joints, branches, repairing, work on the entire line, accessories F 16 L; steam traps or the like F 16 T; fluid-pressure electric cables H 01 B 9/06)

Note

In this subclass, the following expression is used with the meaning indicated:

–

"pipe-line systems" means systems described in flow sheets as well as arrangements of co-operating elements, the elements per se being covered by the relevant subclasses.

Pipe-line systems (conveying articles or materials through a pipe-line by means of a fluid carrier B 65 G 51/00, B 65 G 53/00; dispensing, delivering or transferring liquids B 67 D; special devices for transferring liquids from bulk storage containers into vehicles or boats or vice versa, e.g. loading or unloading vehicles or portable containers B 67 D 5/00; conveying material which has been excavated by a dredger or soil shifter through a pipe-line E 02 F 7/10; sewer pipe-line systems E 03 F 3/00; thermal insulation of pipe-lines F 16 L 59/00; central heating systems F 24 D) [2]

for gases or vapours

for distribution of gas

Preventing freezing (by heating F 16 L 53/00)

for steam

065

Arrangements for producing propulsion of gases or vapours [2]

by compression [2]

075

by mere expansion from an initial pressure level, e.g. by arrangement of a flow-control valve [2]

for liquids or viscous products (water-main or service pipe systems E 03 B 7/04; domestic hot-water supply systems F 24 D 17/00) [2]

Conveying liquids or viscous products by pressure of another fluid [2]

Conveying liquids or viscous products by gravity [2]

Conveying liquids or viscous products by pumping [2]

Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity [2]

by mixing with another liquid [2]

by heating [2]

Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves (fluid dynamics F 15 D; damping pulsations in fluids in pipes in general F 16 L 55/04) [2]

Arrangements for supervising or controlling working operations

for controlling, signalling, or supervising the conveyance of a product [2]

for controlling, signalling, or supervising the conveyance of several different products following one another in the same conduit, e.g. for switching from one receiving tank to another [2]

the different products not being separated (separation of contaminants by distillation B 01 D 3/00) [2]

the different products being separated by "go-devils", e.g. spheres (cleaning devices moved along inside a pipe-line by fluid pressure B 08 B 9/04) [2]

for taking out the product in the line (investigating or analysing materials by determinating their chemical or physical properties G 01 N) [2]

for injecting a composition into the line [2]

for eliminating water (separation of liquids B 01 D, e.g. B 01 D 17/00; separation of gases or vapours B 01 D 53/00) [2]

for eliminating particles in suspension (from liquids by sedimentation B 01 D 21/00; separation by filtration or otherwise B 01 D 24/00 to B 01 D 51/00; centrifugal apparatus B 04) [2]

for measuring the quantity of conveyed product (measuring volume or volume flow, in general G 01 F) [2]

Protection or supervision of installations (arrangements for protecting foundations E 02 D 31/00; protecting pipes from damage or internal or external wear F 16 L 57/00, against corrosion or scale F 16 L 58/00; investigation of the fluid-tightness of structures G 01 M 3/00) [2]

Preventing, monitoring, or locating loss [2]

by means of a signalling fluid enclosed in a double wall [2]

using electric or acoustic means [2]

Protection of installations or persons from the effects of high voltage induced in the pipe-line (emergency protective circuit arrangements H 02 H) [2]