Check valve assembly

A check valve assembly comprising

• a valve body comprising a through bore provided only along a top portion of a periphery of the valve body,
• a valve plate mounted eccentrically in the valve body by a shaft that extends through said bore, wherein each end of the shaft extends into the valve body, and
• two bearings on said shaft, and at least one of said two bearings is in direct contact with said valve body,
• wherein said check valve assembly is configured to be mounted at interface between a compressor unit or a vacuum pump and an external network, for preventing fluid flow in an upstream direction, and
• wherein an orifice provided through a lateral wall along the top portion of the periphery of the valve body, and a sealing plug is attached in the orifice, and
• wherein a locking pin is positioned between the shaft and the sealing plug, and the locking pin is not coaxial with the shaft.

A check valve assembly configured to be mounted at the interface between a compressor unit or a vacuum pump and an external network, for preventing a fluid flow in the upstream direction, the check valve assembly comprising:

• a valve body comprising a through bore provided only along a top portion of a periphery of the valve body;
• a valve plate connected eccentrically to the valve body, said valve plate configured in a way such that the valve plate pivots between a first open position in which fluid is able to flow through said check valve assembly and a second closed position in which fluid cannot flow through said check valve assembly;
• said valve body being adapted to be connected to a discharge port of the compressor unit or to an intake port of the vacuum pump through a first fluid conduit;
• a second fluid conduit attachable to the valve body, said second fluid conduit being adapted to be connected to the external network;
• a shaft and at least one bearing provided in the through bore of the valve plate;
• and
• an orifice provided through a lateral wall along a periphery of the top portion of the valve body,
• wherein the valve plate comprises an elongated area having a hollow tube,
• wherein the shaft is slid through the orifice and completely inserted in the hollow tube of the valve plate and the through bore of the valve body for rotatably mounting said valve plate in the valve body,
• wherein said at least one bearing is positioned on said shaft and within said hollow tube, and said at least one bearing is in direct contact with said valve body,
• wherein said valve body further comprises a seat that receives said valve plate, said seat having a near seat portion in the vicinity where said elongated area is mounted, and a far seat portion on the opposite side from where said elongated area is mounted,
• further comprising a magnet mounted on the seat or a recess in the seat,
• wherein the magnet is connected to an electrical circuit, wherein when the compressor unit or the vacuum pump is switched off, the magnet is charged by the electrical circuit such that the check valve assembly is maintained in a closed position, and when the compressor unit or the vacuum pump is switched on, the magnet is de-energized such that the check valve assembly is able to pivot based on the fluid flow,
• wherein a sealing plug is attached in the orifice, and
• wherein a locking pin is positioned between the shaft and the sealing plug, and the locking pin is not coaxial with the shaft.