|
F17D 1/00
|
Pipe-line systems |
|
F17D 1/02
|
Pipe-line systems for gases or vapours |
|
F17D 1/04
|
Pipe-line systems for gases or vapours for distribution of gas |
|
F17D 1/05
|
Preventing freezing |
|
F17D 1/06
|
Pipe-line systems for gases or vapours for steam |
|
F17D 1/07
|
Arrangements for producing propulsion of gases or vapours by compression |
|
F17D 1/08
|
Pipe-line systems for liquids or viscous products |
|
F17D 1/12
|
Conveying liquids or viscous products by pressure of another fluid |
|
F17D 1/13
|
Conveying liquids or viscous products by gravity |
|
F17D 1/14
|
Conveying liquids or viscous products by pumping |
|
F17D 1/16
|
Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity |
|
F17D 1/17
|
Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity by mixing with another liquid |
|
F17D 1/18
|
Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity by heating |
|
F17D 1/20
|
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 |
|
F17D 1/065
|
Arrangements for producing propulsion of gases or vapours |
|
F17D 1/075
|
Arrangements for producing propulsion of gases or vapours by mere expansion from an initial pressure level, e.g. by arrangement of a flow-control valve |
|
F17D 3/00
|
Arrangements for supervising or controlling working operations |
|
F17D 3/01
|
Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product |
|
F17D 3/03
|
Arrangements for supervising or controlling working operations 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 |
|
F17D 3/05
|
Arrangements for supervising or controlling working operations 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 the different products not being separated |
|
F17D 3/08
|
Arrangements for supervising or controlling working operations 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 the different products being separated by "go-devils", e.g. spheres |
|
F17D 3/10
|
Arrangements for supervising or controlling working operations for taking out the product in the line |
|
F17D 3/12
|
Arrangements for supervising or controlling working operations for injecting a composition into the line |
|
F17D 3/14
|
Arrangements for supervising or controlling working operations for eliminating water |
|
F17D 3/16
|
Arrangements for supervising or controlling working operations for eliminating particles in suspension |
|
F17D 3/18
|
Arrangements for supervising or controlling working operations for measuring the quantity of conveyed product |
|
F17D 5/00
|
Protection or supervision of installations |
|
F17D 5/02
|
Preventing, monitoring, or locating loss |
|
F17D 5/04
|
Preventing, monitoring, or locating loss by means of a signalling fluid enclosed in a double wall |
|
F17D 5/06
|
Preventing, monitoring, or locating loss using electric or acoustic means |
|
F17D 5/08
|
Protection of installations or persons from the effects of high voltage induced in the pipe-line |
