Example implementations relate to a pressure regulator assembly for a closed fluid loop of a CDU. The pressure regulator assembly has a cylinder having an internal volume, and first and second hollow pistons slidably connected to the cylinder to split the internal volume into a first volume portion having cooling fluid, a second volume portion having driver fluid, and a third volume portion having compressible matter. The first volume portion is fluidically connected to the closed fluid loop. The first hollow piston is reciprocated by the compressible matter to maintain operating pressure of the cooling fluid in the closed fluid loop. The second hollow piston is driven by the driver fluid in response to predefined pressure drop of the cooling fluid during predefined time period, to inject additional cooling fluid from the first volume portion into the closed fluid loop to restore pressure level of cooling fluid to operating pressure.

A work vehicle includes a hydraulic fluid tank having a breather valve, and a breather hose attached to the breather valve. The breather hose has a first flowpath joined to the breather valve and a second flowpath and a third flowpath branching off from the first flowpath. The second flowpath has an extension direction that is different from the first flowpath. The second flowpath has an open end, and the third flowpath has a closed end.

The invention relates to a vehicle silencer (1) for a charge air line of an internal combustion engine having a turbocharger (7), comprising: at least a first housing part (2) and a second housing part (3), wherein the housing parts (2, 3) are coupled to each other in a connection region (4) and form an outer casing (13) of the vehicle silencer (1); a resonator inner element (14), which is retained in at least one of the housing parts (2, 3), wherein at least a first (10) and a second resonator chamber (11) are formed by the two housing parts (2, 3) and the resonator inner element (14). The resonator inner element (14) has at least a first external retaining segment (50) in the region of an outer periphery (44) of the resonator inner element (14). A retaining groove (30) is formed in the first end wall (16) and/or in the second end wall (28), in which retaining grove the retaining segment (50) is accommodated.

A cartridge shell for a suction or discharge stabilizer dampening pumped fluid pressure pulsations at an inlet or outlet of a reciprocating pump includes a head including a protrusion, an annular shell of deformable material of a deformable multi-ply material coupled to the protrusion, a plug coupled to the annular shell of deformable material at an opposite end of the annular shell of deformable material from the protrusion, and a cellular foam included within the interior of the annular shell of deformable material.

A cartridge shell for a suction or discharge stabilizer dampening pumped fluid pressure pulsations at an inlet or outlet of a reciprocating pump includes a head including a protrusion, an annular shell of deformable material of a deformable multi-ply material coupled to the protrusion, a plug coupled to the annular shell of deformable material at an opposite end of the annular shell of deformable material from the protrusion, and a cellular foam included within the interior of the annular shell of deformable material.

A hydraulic accumulator, in particular a low-pressure accumulator, has an accumulator housing (2) and a separating element, in particular in the form of an accumulator bladder (22) separating two media chambers (3, 5) in the housing (2). The accumulator housing (2) is formed of at least two shells (8, 10) welded together at their opposing end regions (24).

The invention relates to a sound absorber comprising a housing with an inlet for connection with the exhaust gas line of a suction gripper, the housing comprising at least one elastic segment comprising at least one though hole, and also to a process of sound absorption for a suction gripper. The application of pressurized exhaust gas to the elastic segment leads to its expansion and to enlargement of the opening of the through hole. The expansion and/or the elasticity of the elastic segment in which the through hole is arranged, and the passing of the exhaust gas through the opened through hole in the elastic segment reduce the sound emitted along with the exhaust gas.

A hose assembly 20 for engine intake air comprises a hose 22 having connection regions 22a, 22b at first and second ends of the hose and an axially compressible and extendable bellows region 22c disposed between the two connection regions. In the invention, an inextensible inner tube 24 is disposed within the hose 22 which has a gas-impermeable wall. The inner tube 24 has first and second ends 24a, 24b that seal, respectively, against the first and second connection regions 22a, 22b of the hose when the bellows region is compressed. At least one of the first and second ends of the inner tube 24a separates from the adjacent connection region 22a of the hose 22 when the bellows region 22c is extended.

A hose assembly 20 for engine intake air comprises a hose 22 having connection regions 22a, 22b at first and second ends of the hose and an axially compressible and extendable bellows region 22c disposed between the two connection regions. In the invention, an inextensible inner tube 24 is disposed within the hose 22 which has a gas-impermeable wall. The inner tube 24 has first and second ends 24a, 24b that seal, respectively, against the first and second connection regions 22a, 22b of the hose when the bellows region is compressed. At least one of the first and second ends of the inner tube 24a separates from the adjacent connection region 22a of the hose 22 when the bellows region 22c is extended.

Example implementations relate to a pressure regulator assembly for a closed fluid loop of a CDU. The pressure regulator assembly has a cylinder having an internal volume, and first and second hollow pistons slidably connected to the cylinder to split the internal volume into a first volume portion having cooling fluid, a second volume portion having driver fluid, and a third volume portion having compressible matter. The first volume portion is fluidically connected to the closed fluid loop. The first hollow piston is reciprocated by the compressible matter to maintain operating pressure of the cooling fluid in the closed fluid loop. The second hollow piston is driven by the driver fluid in response to predefined pressure drop of the cooling fluid during predefined time period, to inject additional cooling fluid from the first volume portion into the closed fluid loop to restore pressure level of cooling fluid to operating pressure.