In general, one aspect disclosed features an in-davit run kit for a lifeboat, the kit comprising: a water container comprising a first connector; a hose configured to connect with the first connector; and a second connector configured to connect to the hose, wherein the second connector is in fluid communication with a water cooling system of the lifeboat; wherein the in-davit run kit allows a water pump of the lifeboat to draw water from the water container into the water cooling system of the lifeboat.

A control valve 8 according to the present disclosure includes a casing 21 in which an outlet for a liquid is formed and the liquid is accommodated, a rotor 22 rotatably accommodated in the casing 21 and having a communication port communicating with the outlet, and a sliding ring 131 having a sliding surface 141a sliding on an outer surface of the rotor in a state of being disposed inside the outlet and causing the outlet and the communication port to communicate with each other according to a rotation position of the rotor 22, in which a liquid holding portion for holding the liquid between the sliding surface 141a and the liquid holding portion is provided on the outer surface of the rotor 22, and the liquid holding portion has a recessed portion for accommodating the liquid.

A fluid adjusting device includes a reservoir, at least two connection channels, at least two supply channels and at least one one-way valve, the reservoir is provided with a fluid storage cavity and at least two fluid outlets in communication with the fluid storage cavity, and the fluid storage cavity is configured to store a cooling fluid; the at least two connection channels can be connected to at least two circulation circuits respectively; the at least two fluid outlets are in communication with the at least two connection channels by means of the at least two supply channels respectively; and the at least one one-way valve is arranged in at least one of the at least two supply channels, and is configured to enable a fluid to flow from the reservoir to the corresponding connection channel in unidirectional manner. The fluid adjusting device can accurately control temperatures.

A warm-up method based on a temperature control module, a vehicle, and a storage medium. The warm-up method based on the temperature control module comprises: entering a cold start mode; obtaining current temperature control parameters, the temperature control parameters comprising a current water temperature value, a current engine speed, and a current engine load; obtaining working parameters of a temperature control module according to the temperature control parameters; controlling the temperature control module according to the working parameters to adjust the water temperature to warm an engine, and updating the current water temperature value; and after the updated current water temperature value does not exceed a warm-up threshold, returning to the step of obtaining the current temperature control parameters to enter the next cycle.

A coolant control regulator assembly that comprises a plurality of modular housings, an actuator, and a plurality of ball valves. The actuator is operatively connected to at least one of the plurality of modular housings. Each of the modular housings comprises an internal cavity, at least one inlet port, and at least one outlet port. Further, each of the internal cavities includes one of the plurality of ball valves positioned therein. At least one of the plurality of ball valves comprises a plurality of apertures that are configured to align with the at least one inlet port and the at least one outlet port in certain rotational positions.

In a thermal fluid system, a control valve includes a flow valve and a solenoid pilot valve. The flow valve has an inlet and an outlet; a control chamber for receiving a pilot pressure; and a valve member operable by the pilot pressure to selectively open and close a fluid path from the inlet to the outlet. The pilot pressure acts in a closing direction of the flow valve. The pilot valve provides the pilot pressure to the control chamber and is a 3/2 way valve with a first port in fluid communication with the control chamber, a second port to be connected to a pressure source, and a third port. The pilot valve has a first position connecting the first port with the second port and a second position connecting the first port with the third port.

A coolant circuit for a drive device. It includes a first coolant sub-circuit and a second coolant sub-circuit, in each of which a device to be temperature-controlled is arranged and which are fluidically connected to one another via at least one connecting valve, wherein at least one coolant pump is provided in each of the two coolant sub-circuits, which is designed in at least one of the coolant sub-circuits as a fluid pump having variable delivery direction. The disclosure furthermore relates to a method for operating a coolant circuit for a drive device.

A cooling circuit for a vehicle includes at least one pump (10) and a plurality of branches (12, 14) for circulation of a cooling fluid. At least one branch (12) includes a flow rate limiter (24) with a valve (28), the flow rate limiter including a body (26) in which is mounted a valve (28) mobile between a first position in which it delimits a first fluid passage section (S2) at the outlet of the limiter and a second position in which it delimits a second fluid passage section (S3) in the limiter, the second section being smaller than the first section. The valve is biased into its first position and configured to be moved from the first position to the second position when the fluid flow rate at the inlet of the limiter exceeds a predetermined threshold.

A method of diagnosing a PCJ solenoid valve includes determining whether a predetermined diagnostic condition is satisfied; performing diagnostic spraying by controlling the PCJ solenoid valve to cause the PCJ to spray oil for a predetermined diagnostic spraying time when the controller concludes that the predetermined diagnostic condition is satisfied; and diagnosing a failure of the PCJ solenoid valve by use of changes of oil pressure introduced to the PCJ or of PWM duty that controls an oil pump configured for pumping oil supplied to the PCJ after the diagnostic spraying from the PCJ.

A coolant valve for a motor vehicle. The coolant valve includes a housing with an inlet and an outlet, a valve seat which surrounds a flow cross-section formed between the inlet and the outlet, and a control body which is placeable on and liftable off the valve seat via an actuator. The control body has through-going bores via which the inlet is continuously connected to a chamber on a side of the control body which faces away from the inlet, a first annular protrusion which axially extends towards the valve seat and via which the control body is placed on the valve seat, a wall which extends radially between the first annular protrusion and the through-going bores, and an axial groove which extends in a circumferential direction and which is delimited radially to an outside by the first annular protrusion and radially to an inside by the wall.