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The DC02, launched in 1995, was the first cylinder (canister) model sold by Dyson. Its shape allowed it to sit on stairs. Like the DC01, it used Dual Cyclone technology. It was not that popular during its production run and sold fewer than the DC01. The DC02 is no longer supported by Dyson. The DC02 was available in several special editions:
Carbon dioxide cleaning (CO 2 cleaning) comprises a family of methods for parts cleaning and sterilization, using carbon dioxide in its various phases. [1] Due to being non-destructive, non-abrasive, and residue-free, it is often preferred for use on delicate surfaces.
In 2010, Dyson launched legal action against manufacturer Vax, claiming the design of its Mach Zen vacuum cleaner is an infringement of the registered design of its first "bagless" Dyson cylinder vacuum DC02, which dates back to 1994. Dyson also claimed the Chinese-owned rival had "flagrantly copied" Dyson's iconic design. [93]
To that end, we've shared some of the best air purifiers that ship within a matter of days. Since Dyson, a British company known for its vacuums, futuristic-looking blow dryer and cordless flat ...
Barbara Kanegsberg ed.: Handbook for critical cleaning. 2001, CRC Press, Boca Raton, Florida, USA. ISBN 0-8493-1655-3; Malcolm C. McLaughlin et al.: The aqueous cleaning handbook : a guide to critical-cleaning procedures, techniques, and validation. 2000, The Morris-Lee Publishing Group, Rosemont, New Jersey, USA. ISBN 0-9645356-7-X
This reduces repair costs as a single failed head on a single cylinder can be changed instead of a larger, much more expensive unit fitting all the cylinders. Such a design also allows engine manufacturers to easily produce a 'family' of engines of different layouts and/or cylinder numbers without requiring new cylinder head designs.
Only the hose and cleaning head need be carried from room to room, and the hose is commonly 8 m (25 ft) long, allowing a large range of movement without changing vacuum inlets. Plastic or metal piping connects the inlets to the central unit. The vacuum head may be unpowered, or have beaters operated by an electric motor or by an air-driven turbine.
A crossflow head gives better performance than a Reverse-flow cylinder head (though not as good as a uniflow), but the popular explanation put forward for this — that the gases do not have to change direction and hence are moved into and out of the cylinder more efficiently — is a simplification since there is no continuous flow because of valve opening and closing.