Patent ID: 8784651

Claim:
A water separator for continuous separation of water, air and particles, said separator comprising: an inlet pipe configured to receive a mixture of water, air and particles simultaneously from several sources; an outlet pipe connected to a suction motor; an upper chamber connected with a lower chamber by a valve in the bottom of the upper chamber, a bottom of the lower chamber normally being closed by a check valve; and a three-way valve located in an air connection pipe being adapted to establish a connection between the upper and lower chambers in a first position and closing said connection to the upper chamber and allowing atmospheric air to enter into the lower chamber in a second position, wherein the upper chamber comprises a coarse filter capturing particles from the liquid flow to the lower chamber, wherein the water separator comprises two tanks, a main tank and a safety tank, which are connected through a connection pipe from the upper chamber in the main tank to the safety tank and through the air connection pipe from the lower chamber in the main tank to the safety tank, wherein the inlet pipe is through a lid of the main tank, and wherein the outlet pipe is through a lid of the safety tank, and wherein a bottom of the safety tank is normally closed by a check valve.