44results about How to "Avoid pressure rises" patented technology

In a method for operating an internal combustion engine in which fuel is injected directly into a combustion chamber in a pre-injection and a main fuel injection step, and, if appropriate, also in a post-injection step by means of an injection nozzle with a plurality of injection bores, the injection of fuel takes place in a timed fashion and, to limit pressure and temperature during combustion of the fuel in the combustion chamber, a quantity of water is introduced into the combustion chamber during or after the pre-injection step.

The invention provides a water purifier. The water purifier according to the embodiment of the invention includes a shell used for forming a shape; a filter support arranged inside the shell and equipped with a filter and a valve; a condenser support arranged inside the shell and separated from the filter support, a condenser being accommodated on the condenser support; a cooling box placed at the upper end of the condenser support and used for cooling water purified by the filter; a support plate connecting the filter support and the cooling box and dividing space between the filter support and the cooling box vertically; a compressor arranged under the support plate; and a control assembly mounted on the support plate.

A water-bearing household appliance (1) which serves, in particular, as a laundry treatment unit for washing and/or drying laundry comprises a treatment region (3) which is surrounded by a container (2), a pumping-away section (9) which is connected to the treatment region (3), a discharge pump (10) which is arranged in the pumping-away section (9), a filter device (20) which is arranged in the pumping-away section (9), and a water storage tank (12) which is connected to the filter device (20) via a pump (25). By actuation of the pump (25), water can be branched off into the water storage tank (12) from the pumping-away section (9) via a filter (22) of the filter device (20). The water which is stored in the water storage tank (12) can replace part of the supplied fresh water in the case of a further programme run. The embodiment of the filter device (20) makes self-cleaning of the filter (22) possible.

A novel ship tail gas treatment system is provided with an air compression system and a soot blower, the air compression system is connected with a flue gas mixer, the flue gas mixer is connected withan SCR reactor, the soot blower is connected with the SCR reactor, tail gas exhausted by a fuel main engine enters the flue gas mixer, and the flue gas mixer is connected with an ammonia gas conveying system. The ammonia gas conveying system is provided with a liquid ammonia fuel storage tank and an ammonia gas liquefaction device, a liquid ammonia low-pressure pump is arranged in the liquid ammonia fuel storage tank, and liquid ammonia is pumped out through the liquid ammonia low-pressure pump and finally enters the flue gas mixer. Volatile gas in the liquid ammonia fuel storage tank is fully utilized, the method is preferentially applied to ammonia fuel main engine tail gas denitrification treatment, and the ammonia gas liquefaction device is arranged as a supplement means for ammonia volatile gas treatment, so that the volatile gas in the liquid ammonia storage tank can be completely treated, the pressure rise and structural damage of the liquid ammonia storage tank caused by continuous accumulation of the ammonia volatile gas are avoided, a large amount of the ammonia volatile gas is prevented from being discharged to the atmosphere, and the safety of the liquid ammonia storage tank and a ship is guaranteed.

The invention relates to a compensation device (9) having a variable compensation volume (13, 22) for use in a brake system (1) in order to carry out a recuperation operation, comprising: an electrohydraulic actuator (10) for providing a variable compensation volume (13, 22); and a guard valve (15) which is configured to separate the compensation volume (13, 22) from an inlet-side inlet volume (31) with respect to an external pressure change if an absolute pressure in the inlet volume (31) exceeds a predefined pressure threshold value. Furthermore, the invention relates to a motor-vehicle brake system having a compensation device of this type.

The present disclosure provides an elastomeric bushing assembly that includes a multi-piece inner metal component. The inner metal component is formed from a plurality of stamped components that when assembled form a hollow chamber in the center section of the inner metal component. Flat sections at opposite ends of the center section include folded over tabs which increase the strength of the flat sections.

A prismatic battery case with high dimensional precision is manufactured, while pursuing an improvement in productivity, with a manufacturing method of a prismatic battery case that includes a first step for molding an intermediate cup body (8) by impact molding a pellet (7) of prescribed shape, and a second step for molding a prismatic battery case (9) with a cross section of substantially rectangular shape by DI processing the intermediate cup body (8). The DI processing conducts drawing and ironing continuously, in one action.

There is disclosed a refrigerant cycle apparatus capable of avoiding occurrence of an abnormal rise in a pressure on a high-pressure side in advance, comprising: a throttling mechanism including a first capillary tube, and a second capillary tube which is connected in parallel to the first capillary tube and whose flow path resistance is smaller than that of the first capillary tube; and a valve device for controlling refrigerant circulation into the first and second capillary tubes, so that a refrigerant is passed into the second capillary tube at the time of starting of a compressor.

The invention discloses a sulfur hexafluoride gas separation and recovery device and belongs to the field of gas recovery. The sulfur hexafluoride gas separation and recovery device aims to solve the problems of low SF6 gas recovery efficiency and poor purification precision in the prior art. Mixed gas is pumped out by a recovery and filtering module to be filtered, and the filtered gas is pressurized and transferred to a separation module; the separation module is used for separating the filtered gas into sulfur hexafluoride gas and gas except the sulfur hexafluoride gas; a tail gas separation module is used for separating the gas except the sulfur hexafluoride gas, and the separated gas is respectively discharged; a gas purity detection and transmission module detects the purity of the sulfur hexafluoride gas, if the purity of the sulfur hexafluoride gas is larger than or equal to the set purity, the sulfur hexafluoride gas is transmitted to a rapid freezing and filling device, and if the purity of the sulfur hexafluoride gas is smaller than the set purity, the sulfur hexafluoride gas serves as mixed gas and is transmitted to the recovery and filtering module; and the sulfur hexafluoride gas is recovered into a steel cylinder by the rapid freezing and filling device. The device is used for recovering and purifying SF6 gas.

The invention discloses an online cleaning system for a central air conditioner condenser. The online cleaning system comprises a ball loading device 1, the condenser 19 and a ball receiver 7, the two ends of the condenser 19 communicate with a cooling pipeline 20, rubber balls are arranged in an upper container of the ball loading device 1, and a water inlet 14, a ball return opening 15 and a ball outlet 16 are arranged. A pipeline, communicating with the cooling water pipeline 20, of the water inlet 14 is a water inlet pipeline. A spraying opening of a ball spryer 8 is inserted into the cooling water pipeline 20 at an inlet of the condenser 19. The online cleaning system is characterized in that a branch 11 is arranged on a ball return pipeline and a cooling water return pipeline, a check valve 403 is arranged in the branch 11, and a screen mesh 10 is arranged between the branch 11 and a ball recycling pipeline. The online cleaning system has the following beneficial effect that the rubber balls are not likely to block a ball recycling outlet. The rubber balls and garbage are not extruded on a ball recycling screen mesh, the rubber ball recycling rate reaches 100%, it is ensured that each pipeline of the condenser is cleaned in place, and it is guaranteed that the inner pipe wall of the condenser is clean all the time.

A device for releasing reactant (R) into the exhaust gas stream (A) of an internal combustion engine includes a reactant injection unit (20), a reactant delivery unit (12) for delivering reactant (R) from a reactant reservoir (14) to the reactant injection unit (20), a heating unit (18) for heating reactant (R) delivered by the reactant delivery unit (12) to the reactant injection unit (20). An actuating unit (32) actuates the reactant delivery unit (12), the heating unit (18) and the reactant injection unit (20). An overpressure valve (26) or/and a pressure storage unit (30) is provided downstream of the reactant delivery unit (12).

The invention relates to a structure for preventing a tile from being separated from a tile base, a first limiting step (14) and a second limiting step (15) are arranged on two sides of the tile base (2), the tile (1) is positioned on the bottom surface of the tile base (2) and in a space formed by the first limiting step (14) and the second limiting step (15), and an axial mounting gap (13) exists between the tile (1) and the first limiting step (14) of the tile base (2). An axial mounting gap (16) is formed between the tile block (1) and the first limiting step (15) of the tile base (2); the baffle (3) is fixed on the side surface (6) of the tile base (2) through the mounting hole (4), and a radial gap (12) is formed between the baffle (3) and the tile base (2); the baffle (3) is provided with a cooling water collecting groove (10), and the collecting groove (10) is provided with a plurality of through-flow pressure relief holes (5). By applying the fluid dynamics principle, the tile blocks can be effectively prevented from being separated from the tile bases under fluid impact, upwarp of the incident flow sides of the tile blocks is prevented, impact with a rotating thrust disc is avoided, and safe operation of a nuclear main pump is ensured.