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List of catalogs of this article:

• 1. What do OHV, OHC, SOHC and DOHC mean?
• 2, Which is better, Honda sohc or dohc
• 3, sohc engine what does it mean
• 4、What does OHV, OHC, SOHC and DOHC on the engine mean

What do OHV, OHC, SOHC and DOHC mean?

The letters SOHC and DOHC are often seen on the engine shell. What do these letters mean? OHV refers to the top valve bottom camshaft, that is, the camshaft is arranged at the bottom of the cylinder and the valve is arranged at the top of the cylinder. OHC refers to the overhead camshaft, that is, the camshaft is arranged at the top of the cylinder.

OHV refers to the top valve and the bottom camshaft, that is, the camshaft is arranged at the bottom of the cylinder, and the valve is arranged at the top of the cylinder. OHC refers to the overhead camshaft, that is, the camshaft is arranged at the top of the cylinder. If there is only one camshaft at the top of the cylinder that is responsible for the opening and closing of the inlet and exhaust valves at the same time, it is called a single overhead camshaft (SOHC).

Therefore, OHC has less transmission loss of the valve lever than OHV. Under the same exhaust volume, OHC has more power than OHV, less fuel consumption, and is easy to repair. Modern cars are basically designed by OHC. Before multi-valve technology, the design of OHC has derived the design of overhead single camshaft SOHC and overhead double camshaft DOHC.

OHC - top valve, top camshaft.OHV - top valve, side camshaft. PCM - power control module. QL - Horizontal swing arm. QS - Horizontal Stabilizing Bar. Quattro - full-time four-wheel drive system. RR - rear-engine rear-wheel drive. RSP - Electronic Stabilization Program.

Which is better, Honda sohc or dohc

sohc engine has better explosive power when working, and the torque burst is relatively large at low speed. The internal combustion of the dohc engine is more complete, the emission effect is also very good, and the fuel economy is high.

No one is better between the two, only the one is more suitable. Judging from the above situation, Sohc single overhead camshaft is driving in urban areas, with strong low torque, economical and fuel-efficient, simple structure, cheap cost and low maintenance cost. But the power reserve is insufficient at high speed.

DOHC: It can change the valve overlap angle, so it can exert a relatively large horsepower, but the torque at low speed is relatively insufficient, and the complexity of the mechanical structure will cause certain difficulties in maintenance.The technology of double camshaft comes from racing, which can mainly control the time difference between the intake valve and the exhaust valve.

SOHC: single overhead camshaft, indicating a single overhead camshaft engine, that is, one intake valve and one exhaust valve. At low speed, the torque is larger than that of the same displacement DOHC engine, and the explosive power is better.

Comparion between SOHC and DOHC Theoretically, DOHC is superior to SOHC, and the current car engine generally uses a variable valve timing system, and DOHC can easily cooperate with it. Therefore, the current DOHC is larger than SOHC in terms of usage.

What does sohc engine mean?Think

1. SOHC is an abbreviation in engine technology, representing the single camshaft valve control system. SOHC is simpler than DOHC (double camshaft valve control system). By reducing the number of camshafts, it can reduce costs and improve engine durability.

2. The letters SOHC and DOHC are often seen on the engine shell. What do these letters mean? OHV refers to the top valve bottom camshaft, that is, the camshaft is arranged at the bottom of the cylinder and the valve is arranged at the top of the cylinder. OHC refers to the overhead camshaft, that is, the camshaft is arranged at the top of the cylinder.

3. SOHC is a single overhead camshaft gas distribution. If there is only one camshaft on the top of the cylinder that is responsible for opening and closing the intake valve and the exhaust valve at the same time, it is called a single overhead camshaft (SOHC).DOHC is a double overhead camshaft valve system, which generally has multiple valves.

4. SOHC: Chinese name: single overhead camshaft. Compared with DOHC (Double OverheadCamshaft), a single overhead camshaft uses a convex shaft on the cylinder head to directly drive the inlet and exhaust valves.

What does OHV, OHC, SOHC and DOHC on the engine mean

1. OHV refers to the top valve and the bottom camshaft, that is, the camshaft arrangement. At the bottom of the cylinder, the valve is placed at the top of the cylinder. OHC refers to the overhead camshaft, that is, the camshaft is arranged at the top of the cylinder.

2. OHV refers to the top valve bottom camshaft, that is, the camshaft is arranged at the bottom of the cylinder, and the valve is arranged at the top of the cylinder. OHC refers to the overhead camshaft, that is, the camshaft is arranged at the top of the cylinder. If there is only one camshaft at the top of the cylinder that is responsible for the opening and closing of the inlet and exhaust valves at the same time, it is called a single overhead camshaft (SOHC).

3. OHC refers to the overhead camshaft engine, that is, the current chain machine. SOHC is a single-top rod camshaft, that is, the engine has only one camshaft, and the intake and exhaust valves are driven by it. DOHC is a double overhead camshaft engine, which has two camshafts to control the intake valve respectively. And the exhaust valve.