That's not strictly true. Gases are pumped by using pumps such as piston pumps and vane pumps. A garage compressor has the air pumped into the tank by a piston pump. Even a bicycle pump is often used.
however, when gases are "pumped" it by definition becomes a compressor. pumps move basically un-compressible fluids. low pressure gas transfer is termed a blower, while higher pressure usage requires a compressor.
pump is used to move liquid from one point to another, while compressor is used to compress and move gases from point to point.
Vacuum pumps are pumps designed to remove or displace gases such as oxygen, or liquids, such as milk. Vacuum pumps are used in a variety of different settings. Milk pumps, both bovine and human, use a vacuum pumps. Trash compactors, vacuum sealers, and even certain types of microscopy uses vacuum pumps.
Accelerator pump.
bilge pump
Peristaltic pumps are used to pump many different kinds of fluids. Peristaltic pumps are used in biological systems such as the gastrointestinal tract.
Types of Pumps Used by Chemical Industries The Centrifugal Pump. By far the most common type of pump in this industrial sector, centrifugal pumps are based on a well-recognized operational principle. Helical Screw Pumps. Positive Displacement Devices. Diaphragm Pumps.
Trash pumps are meant to pump water as well as other debris and solids. There are several types of trash pumps including diaphragm and semi-trash pumps.
Gear Pump.Additional answerI very much doubt if gear pumps are used in any petrol car because of the lack of lubrication. Much more likely is a diaphragm pump, which is certainly used on a lot of cars.
Before humans used electrical motors to operate pumps to pump water from the ground, the pumps were mechanically operated, via hand (hand pumps), wind (windmill pumps), etc.
Gear pumps. A vane pump. Piston pumps. Radial pump. Centrifugal pumps.
Water pumps can be used for different things depending on the type of pump. Some pumps are used for decorative ponds and move the water around to add air to the water and keep it clean. Other pumps are used submerged in water to remove the water from that area.
Solar pumps are used to pump water from place to place. They are called solar pumps because they are built in sunny areas so they get all their power from the sun.