A docking station for a robotic surface cleaning apparatus has a momentum separator. The momentum separator has an upper wall, a lower wall and a first sidewall extending between the upper and lower walls. The first sidewall comprises a side screen and an end wall is spaced from and faces the side screen whereby an up flow chamber is positioned between the end wall and the side screen. The upper wall also comprises an upper screen and an upper end wall is spaced from and faces the upper screen wherein an upper air flow chamber is positioned between the upper end wall and the upper screen.

A docking station for a robotic surface cleaning apparatus has a momentum separator. The momentum separator has an upper wall, a lower wall and a first sidewall extending between the upper and lower walls. The first sidewall comprises a side screen and an end wall is spaced from and faces the side screen whereby an up flow chamber is positioned between the end wall and the side screen. The upper wall also comprises an upper screen and an upper end wall is spaced from and faces the upper screen wherein an upper air flow chamber is positioned between the upper end wall and the upper screen.

A hanger for a turbine engine can include a first surface confronting a cooling airflow, a second surface facing a heated airflow, and a third surface radially outward of the first surface. The hanger can also include a cyclonic separator with a dirty air inlet and a clean air outlet, as well as a cooling air circuit extending through the cyclonic separator.

A canister which has a substantially cylindrical form and comprises an innermost compartment located around an imaginary center axis of the cylindrical form and extending longitudinally in axial direction of the canister. The canister comprises cleaner cones, which have a substantially cone-like form with a hollow inside and which cleaner cones are removably mounted to the canister and located in the canister such, that narrow ends of cone form of the cleaner cones extend to the innermost compartment and wide ends of the cone form of the cleaner cones extend to the cylindrical circumference of the canister. The cleaner cones comprise covers and the cleaner cones are mounted such that cover of the cleaner cone is outside the canister. The canister further comprises an inspection light source configured to provide a visible indication of status of a cleaner cone of the canister in view of possible plug in the cleaner cone, when the light source is in operation.

A recoverable module is configured for subsea environments, and is suitable for use in the processing of fluids linked to the oil industry, and subsea fluid separation equipment or equipment involving any process performed through liners. The recoverable module for subsea environments includes a separating vessel provided with an inlet and two underflow and overflow or tailing outlets, in addition to a cover which has a set of removable liners fastened to its interior.

A recoverable module is configured for subsea environments, and is suitable for use in the processing of fluids linked to the oil industry, and subsea fluid separation equipment or equipment involving any process performed through liners. The recoverable module for subsea environments includes a separating vessel provided with an inlet and two underflow and overflow or tailing outlets, in addition to a cover which has a set of removable liners fastened to its interior.

A cyclonic separator having a first cyclone stage; and a second cyclone stage comprising a plurality of cyclone bodies arranged in parallel, each cyclone body comprising an inlet and an outlet, the plurality of cyclone bodies being divided into at least a first layer and a second layer; wherein the second cyclone stage further comprises a first plenum common to the cyclone bodies, the first plenum extending from the outlet of the first cyclone stage to the inlets of each of the cyclone bodies of the second cyclone stage.

The system and method for processing flowback fluid include a plurality of wellheads producing flowback fluid flows, a plurality of first stage separators corresponding to at least one wellhead of an installation with multiple wellheads and multiple flowback fluid flows, a plurality of metering devices corresponding to each first stage separator, and a second stage separator in fluid connection with the metering devices and the first stage separators. The second stage separator includes a solids separator to further control the storage volumes of the first and second stage separators and retention time in the second stage separator by removing solids.

The system and method for processing flowback fluid include a plurality of wellheads producing flowback fluid flows, a plurality of first stage separators corresponding to at least one wellhead of an installation with multiple wellheads and multiple flowback fluid flows, a plurality of metering devices corresponding to each first stage separator, and a second stage separator in fluid connection with the metering devices and the first stage separators. The second stage separator includes a solids separator to further control the storage volumes of the first and second stage separators and retention time in the second stage separator by removing solids.

A vehicle may include an undercarriage with a vacuum spoils tank and a multi-cyclone body housing mounted thereon. A vacuum spoils tank may be in fluid connection to the multi-cyclone body housing. The vacuum spoils tank may include both an inlet and an outlet. A multi-cyclone body may be housed within the multi-cyclone body housing. The housing may be positioned at the vacuum spoils tank outlet, and the multi-cyclone body may carry a plurality of mini-cyclonic chambers. Each mini-cyclonic chamber may include an outlet tube and a mini-cyclonic separator. The mini-cyclonic separator may be in fluid communication with the vacuum spoils tank outlet. The outlet tube may be in fluid communication with a multi-cyclone body housing outlet and a filtration system