A method includes building a tubular object by a layer-by-layer additive manufacturing process. A structure integrally connected to the tubular object for supporting a portion of the tubular object is formed during building of the tubular object. The structure provides vibration dampening, heat shielding, heat transfer, stiffening, energy absorption, or mounting after the tubular object is built.

A fibre-reinforced polymer component is provided which comprises a main portion comprising fibre-reinforced polymer and at least one surface and at least one raised feature extending from said surface. The at least one raised feature consists of non-reinforced polymer and is shaped to incur visually perceptible damage when the component is subject to an impact with an energy above a predetermined impact energy threshold and to resist an impact with an energy below the predetermined impact energy threshold. The at least one raised feature thus provides a clear visual aid as to when a component has experienced an impact with an energy above the impact energy threshold. Because the raised feature consists of polymer without fibre reinforcement, it is more fragile than the fibre-reinforced polymer main portion 204 and thus reduces the energy at which impacts may be detected.

A control valve has a trim assembly to condition the flow of fluid through the control valve and, in some applications, to provide guidance for a valve plug. The trim assembly has a lattice structure formed of a plurality of triply periodic surfaces that form a plurality of passages that extend between an inner surface of the circumferential wall and an outer surface of the circumferential wall.

A control valve has a trim assembly to condition the flow of fluid through the control valve and, in some applications, to provide guidance for a valve plug. The trim assembly has a lattice structure formed of a plurality of triply periodic surfaces that form a plurality of passages that extend between an inner surface of the circumferential wall and an outer surface of the circumferential wall.

The embodiments of the present disclosure provide a detachable anti-vibration sealing protection device for a pipe flange. The protection device includes a casing, wherein left and right end surfaces of the casing have through holes for the pipeline to pass through, and the casing has an accommodation cavity for placing the flange; a first shock absorption assembly for radial shock absorption of the flange; and a second shock absorption assembly which is installed in a one-to-one correspondence with the flange and is configured for axial shock absorption of the corresponding flange. The first shock absorption assembly and the second shock absorption assembly are installed in the accommodation cavity.

The embodiments of the present disclosure provide a detachable anti-vibration sealing protection device for a pipe flange. The protection device includes a casing, wherein left and right end surfaces of the casing have through holes for the pipeline to pass through, and the casing has an accommodation cavity for placing the flange; a first shock absorption assembly for radial shock absorption of the flange; and a second shock absorption assembly which is installed in a one-to-one correspondence with the flange and is configured for axial shock absorption of the corresponding flange. The first shock absorption assembly and the second shock absorption assembly are installed in the accommodation cavity.

Pipe joints and more particularly cylindrical push-on type pipe joint fittings with earthquake resistant functions.

Pipe joints and more particularly cylindrical push-on type pipe joint fittings with earthquake resistant functions.

A system for reducing refrigerant pressure in an HVAC system includes a receptacle that is fluidly coupled to a condenser. The receptacle is coupled to the condenser between a first pass and a second pass of refrigerant across a flow path of air. The receptacle can include a connection allowing for refrigerant flow into the receptacle during periods of high pressure. High pressure situations can therefore be alleviated, saving wear and tear on the HVAC system.

A system for reducing refrigerant pressure in an HVAC system includes a receptacle that is fluidly coupled to a condenser. The receptacle is coupled to the condenser between a first pass and a second pass of refrigerant across a flow path of air. The receptacle can include a connection allowing for refrigerant flow into the receptacle during periods of high pressure. High pressure situations can therefore be alleviated, saving wear and tear on the HVAC system.