What are the two major mechanisms of an engine?

1 Answers
BriannaDella
07/30/25 10:25am
The two major mechanisms of an engine are the valve train mechanism and the crankshaft connecting rod mechanism. Below are the relevant introductions about these two mechanisms: Function of the valve train mechanism: According to the working cycle and firing sequence requirements of each cylinder in the engine, it timely opens and closes the intake and exhaust valves of each cylinder, allowing fresh charge to enter the cylinder promptly and exhaust gases to be expelled from the cylinder in time. During the compression and expansion strokes, it ensures the sealing of the combustion chamber. Function of the crankshaft connecting rod mechanism: It provides a place for combustion, converts the expansion pressure of the gas generated after fuel combustion acting on the top of the piston into the rotational torque of the crankshaft, transforms the thermal energy released after fuel combustion into mechanical energy, and continuously outputs power.
Was this review help?
3
4
Share
More Forum Discussions

What Does Mass Production of Cars Mean?

Mass production (English: Mass-production), abbreviated as mass production. Because mass production has the advantages of reducing costs and improving efficiency, the concept of mass production appeared very early in human society. However, the implementation of mass production is constrained by the prerequisite of standardization. Below is the relevant introduction: 1. Object: Before standardization could be achieved, the objects of mass production were limited to low-technology, low-precision industries, such as simple products like bricks. With the popularization of standardization and the finer division of labor, the objects that mass production can handle also increased. 2. Reasons for high efficiency: The main reason is that large-scale production reduces various useless procedures and waste, as well as reduces the huge profits from feedback. Factories using mass production can stably purchase large quantities of materials and can reduce material purchasing costs (transportation, bargaining, secretarial work, etc.). The last important reason for high efficiency is the vertical integration strategy, which can produce all or most parts and sub-assembly modules.
15
5
Share

How to Solve the Problem of Car Air Conditioning Sometimes Cooling and Sometimes Not?

When the car air conditioning sometimes cools and sometimes does not, it is necessary to check whether the refrigerant is leaking, whether the power supply voltage is stable, and whether there is dirt blocking the condenser. Below is a related introduction to car air conditioning: 1. Introduction to car air conditioning: The car air conditioning device (air-conditioning-device), referred to as car air conditioning, is used to adjust and control the temperature, humidity, air cleanliness, and air flow inside the car compartment to the optimal state. It provides a comfortable riding environment for passengers, reduces travel fatigue, and creates good working conditions for the driver, playing an important role in ensuring safe driving. 2. Car air conditioning devices: Generally include refrigeration devices, heating devices, and ventilation devices. This combined device makes full use of the limited space inside the car, has a simple structure, and is easy to operate, making it a popular modern car air conditioning system internationally.
14
2
Share

What to Do If a New Car Doesn't Have a Maintenance Manual?

If a new car doesn't come with a maintenance manual, you can request a replacement at the 4S dealership where you purchased the vehicle. Additional information: The functions of a car maintenance manual are as follows: 1. Introduction to precautions and maintenance methods: After purchasing a new car, the maintenance manual provides detailed instructions on precautions and maintenance methods. It should be read carefully and followed to ensure the vehicle remains in good condition. 2. Two main aspects of vehicle maintenance: Vehicle maintenance primarily consists of two aspects—mandatory maintenance provided by service centers and routine maintenance performed by the owner. Proper maintenance is crucial for the vehicle's lifespan and the driver's safety. 3. Maintenance benefits vehicle health: Neglecting maintenance or improper usage can lead to vehicle malfunctions and safety hazards. Therefore, in addition to scheduled mandatory maintenance at service centers, daily maintenance should also be performed to keep the vehicle in optimal condition.
8
5
Share

Is it okay to drive at night with only the width indicator lights on?

It is not permissible to drive at night with only the width indicator lights on; you must turn on the low beam headlights. Automotive width indicator lights are installed on vehicles to indicate the width of the car. They are a type of commonly used light. When the light switch is turned to the first position, the small lights that illuminate at the front and rear are the width indicator lights (also known as evening running lights, which are turned on when it is not completely dark; the next position after the width indicator lights is the low beam, and the high beam refers to the main headlights). Automotive width indicator lights are used to show the width of the vehicle to alert other drivers and vehicles behind. Width lights are used during evening driving to make the vehicle visible to others. The following are the guidelines for using lights when driving at night: 1. It is best to use high beams on national highways or expressways. When driving at night on sparsely traveled national highways, expressways, or roads without street lighting, it is advisable for the driver to use high beams for illumination. When the high beams are on, a prominent blue light will illuminate on the dashboard as a reminder. 2. Turn on the hazard warning lights in case of road faults or when towing a vehicle. If you encounter sudden vehicle malfunctions, traffic accidents, or need to pull over at night, or if you are towing a disabled vehicle, whether you are the towing vehicle or the towed vehicle, you should promptly turn on the hazard warning flashing lights. 3. Turn on the running lights first when driving at night. Running lights, commonly referred to as 'small lights' or width indicator lights, are the first thing a driver should do before driving at night. They indicate the four corners of the vehicle's body to surrounding vehicles to ensure a safe distance. The running light switch is generally the first position on the light switch.
14
5
Share

What is the working principle and basic composition of a truck-mounted drilling rig?

Truck-mounted drilling rig's working principle and basic composition are as follows: 1. Composition: A type of mobile drilling unit. All drilling equipment (drill rig, water pump or air compressor, derrick, and sometimes power unit) is assembled on various types of vehicles to form an integrated system. Based on mounting methods, it can be divided into self-propelled and trailer-mounted types. 2. Principle: For self-propelled truck-mounted rigs, all equipment is installed on a truck or tractor chassis. During operation, the vehicle's own power drives the drill rig and water pump (or air compressor). Trailer-mounted rigs have all drilling equipment including the power unit installed on various types of trailers (such as wheeled trailers or sled trailers). During operation, the power unit on the trailer provides energy, while transportation is achieved by towing with trucks or tractors. Both types allow the derrick to be laid down on the vehicle or trailer frame for integrated relocation, significantly reducing installation and dismantling time.
15
1
Share

Has the Baojun 510 Been Discontinued?

Baojun 510 has been discontinued. The relevant information about Baojun 510 is as follows: 1. Exterior Features: In terms of styling design, the Baojun 510 adopted a very distinctive split headlight design, with LED daytime running lights connected to the large front grille, while the main headlights were positioned on either side of the grille. The rear featured conventional halogen tail lights. The 2019 Baojun 510 introduced a new front and rear design, including a high-gloss matrix grille paired with LED split headlights. The new model also featured a fresh wheel design, and the rear lights adopted a sharp, swirling shape with LED illumination. 2. Interior Design: Inside, the Baojun 510 CVT model offered a choice of Rhythm Red/Black or Modern Black/Brown color schemes, enhancing the sporty ambiance to complement its sharp exterior. The cockpit featured LED-backlit adjustable split combination gauges and dual-stitched sport seats, creating a youthful and dynamic driving experience. Additionally, the center console area used high-quality piano black panels for superior tactile and visual appeal, with novel piano-key buttons and toggle switches that added a playful and engaging feel compared to conventional flat buttons and knobs. 3. Configuration: The Baojun 510 came equipped with an 8-inch LCD capacitive touchscreen, along with practical features like keyless entry + one-button start, automatic climate control, leather-wrapped steering wheel, cruise control, and power-adjustable/folding/heated exterior mirrors. It was the first in its class to feature a semi-open panoramic sunroof, enhancing the sense of openness for occupants. Furthermore, the CVT version of the Baojun 510 improved NVH (Noise, Vibration, and Harshness) performance, with 34 high-performance acoustic damping materials throughout the cabin, reducing idle noise to just 37 dB for a quieter ride.
1
0
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.