A physical object for storing energy, and which after discharge may be recharged.

A cooler that is intended to use air as the cooling medium.

An arrestor which is a trap over an opening, e.g. of a ventilation system or a pipe, to prevent flames from entering the system.

A static device generating centrifugal force from an incoming flow which separates solid or liquids from a gas of a different density.

A cyclone separator intended to separate a fluid by hydraulic forces.

A heat exchanger using plates as the device for separating the two fluids and across which the energy is transferred.

A tubular heat exchanger in which a tube bundle is surrounded by a shell.

A physical object that is intended to mix fluid by means of diverging the flow with static obstacles or by increasing locally the velocity.

A vessel intended to contain fluid for storage. Typically a receiving or collecting function for further distribution. Typically with a vertical and cylindrical or square shape and a flat or conical bottom.