Rules for letters of credit drawn up by the Commission on Banking Technique and Practices of the International Chamber of Commerce in consultation with the banking associations of many countries. See Terms of Payment.


Related Terms

PNEUMATIC CAISSON

A caisson having a chamber filled with compressed air at a pressure equal to the pressure of the water outside.

PLENUM SYSTEM

A heating or air conditioning system in which air is forced through a plenum chamber for distribution to ducts.

OIL SEAL

1. A device for preventing the entry or return of oil from a chamber. 2. A device using oil as the sealing medium to prevent the passage of fluid from one chamber to another.

NUTATING-DISK METER

An instrument for measuring flow of a liquid in which liquid passing through a chamber causes a disk to nutate, or roll back and forth, and the total number of rolls is mechanically counted.

MELTER

A chamber used for melting.

MANIFOLDING

The gathering of multipleline fluid inputs into a single intake chamber (intake manifold), or the division of a single fluid supply into several outlet streams (distribution manifold).

LIQUID-SEALED METER

A type of positive displacement meter for gas flows consisting of a cylindrical chamber that is more than half filled with water and divided into four rotating compartments formed by trailing vanes; gas entering through the center shaft into one compartment after another forces rotation that allows the gas then to exhaust out the top as it is displaced by the water. Also known as drum meter.

INTAKE CHAMBER

A large chamber that gradually narrows to an intake tunnel; designed to avoid undesirable water currents.

INJECTION PUMP

A pump that forces a measured amount of fuel through a fuel line and atomizing nozzle in the combustion chamber of an internal combustion engine.

INITIAL FREE SPACE

In interior ballistics, the portion of the effective chamber capacity not displaced by propellant.

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