摘要:
Internal combustion engine (E) comprising a coolant circuit (C) wherein coolant is recirculated through a pump (P) and wherein a PH sensor (PHS) is arranged in such a way to sense PH thereof and to signal a deterioration of the coolant requiring the replacement thereof with fresh one on the basis of said PH sensed.
摘要:
The invention relates to a coolant circuit for an internal combustion engine, with a coolant pump, at least one coolant line, a radiator and a coolant cavity in the internal combustion engine, wherein the coolant pump, the coolant line, the radiator and the coolant cavity are filled with a coolant. In order to create a coolant circuit for an internal combustion engine that protects the internal combustion engine permanently from damage due to improper usage of coolants, at least one sensor for monitoring the coolant concentration is fixedly and permanently arranged in and/or on the coolant circuit.
摘要:
A system (100) for detecting electrolysis in an automobile system includes a probe (320), a microcontroller (400) electrically coupled to the probe (320), a power supply (410) configured to supply power to the microcontroller (400), a ground lead (120), and an optical indicator (115, 115') operationally coupled to the microcontroller (400). According to one embodiment, the microcontroller (400) is configured to read a voltage across the probe (320) and the ground lead (120) when the probe (320) is inserted into a coolant fluid and the ground (125) is coupled to a ground source (615), analyze the voltage, and illuminate the optical indicator (115, 115') in response to the voltage analysis.
摘要:
The invention relates to a control valve (10) for a fluid circuit comprising a body (12) which is fitted with a fluid inlet (18) and at least two fluid outlets (20, 22 and 24). Moreover, the body defines a cylindrical housing for a control element (26) which turns around an axis of rotation (XX) and which occupies different angular positions in order to control the distribution of the fluid by means of the outlets. Said body (12) consists of a base (14) comprising the fluid inlet (18) and a cylindrical side wall (16) comprising the fluid outlets which are disposed at axial heights and in angular positions selected in relation to the axis of rotation (XX). The rotating element (26) comprises a truncated end (38) which is turned towards the base (14). In this way, the fluid outlets can be controlled using a law which is defined as a function of the angular position of the rotating element in the valve body.
摘要:
A replaceable coolant filter assembly (10) includes a housing (12), a filter element (20) having an end plate (18) to define a fluid path through the filter and comprising a coolant additive sensor (40) having a sacrificial sensing element (44) disposed within said housing (12) in contact with the fluid path. An electrical circuit (60) connecting a microprocessor (62) to the sensing element (44) is grounded through the sensing element (44) and the filter housing (12) to an engine, the microprocessor (62) being responsive to the opening of the electrical circuit (60) by corrosion of the sensing element (44) to activate an alarm device (66).
摘要:
A dual function sensor particularly useful with vehicular coolant systems indicates when a coolant liquid becomes corrosive to such cooling system materials as well as when the liquid falls to a low level condition. A reference (26) and a sense electrode (28) are used to probe the condition of the coolant liquid. Integral electronics provide signal conditioning and transmitting to indicate both corrosive and low level coolant conditions. The sensor assembly (10) mounts directly onto a tubular coupling (24) on the vehicle radiator by pushing the assembly onto the coupling (24) until a spring wire element (40) snaps past a lip (24.2) formed on the free distal end of the coupling (24). An electrical connector shroud (34) extends from the assembly (10) and accommodates a mating male connector which is pushed onto the shroud (34) until a clip mounted on the male connector snaps over a locking tab (34.1) located on the shroud (34). The male connector typically is connected to an engine control module (ECM).
摘要:
An example device in accordance with an aspect of the present disclosure includes a sensor, a controller, and an injector. The sensor is to provide sensor output regarding fluid chemistry of a fluid of a cooling system. The controller is to identify attributes of the fluid. The injector is to inject at least one additive into the fluid to bring at least one attribute into a threshold range.
摘要:
Liquid cooled systems having coolant circulation loops (136) must often operate in below freezing conditions. For instance, in various applications certain fuel cell systems (10) must be able to tolerate repeated shutdown and storage in below freezing conditions. Conventional glycol-based coolants typically used for internal combustion engines are generally unsuitable for use in the associated fuel cell cooling subsystems due to the presence of additives and/or inhibitors which are normally included to deal with problems relating to decomposition of the glycol. With additives or inhibitors present, the coolant conductivity can be sufficiently high as to result in electrical shorting or corrosion problems. However, provided the purity of the coolant is maintained, a pure glycol and water coolant mixture may be used as a fuel cell system coolant to obtain suitable antifreeze protection. Adequate purity can be maintained by including an ion exchange resin unit (158) in the cooling subsystem.
摘要:
A replaceable coolant filter assembly (10) includes a housing (12), a filter element (20) having an end plate (18) to define a fluid path through the filter and comprising a coolant additive sensor (40) having a sacrificial sensing element (44) disposed within said housing (12) in contact with the fluid path. An electrical circuit (60) connecting a microprocessor (62) to the sensing element (44) is grounded through the sensing element (44) and the filter housing (12) to an engine, the microprocessor (62) being responsive to the opening of the electrical circuit (60) by corrosion of the sensing element (44) to activate an alarm device (66).