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词条 Linear compressor
释义

  1. History

  2. Valved linear compressor

  3. See also

  4. References

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A linear compressor is a gas compressor where the piston moves along a linear track to minimize friction and reduce energy loss during conversion of motion. This technology has been successfully used in cryogenic applications which must be oilless.

History

A number of patents for linear compressors powered by free-piston engines were issued in the 20th century, including:

  • To Brown, Boveri & Cie, GB191215963, published 1913-10-08[1]
  • To Hugo Junkers, CA245708, published 1924-12-30[2]
  • To Raúl Pateras Pescara, US1615133, published 1927-01-18[3]

The first market introduction of a linear compressor to compress refrigerant in a refrigerator was in 2001.[4]

Valved linear compressor

The single piston linear compressor uses dynamic counterbalancing, where an auxiliary movable mass is flexibly attached to a movable piston assembly and to the stationary compressor casing using auxiliary mechanical springs with zero vibration export at minimum electrical power and current consumed by the motor.[5] It is used in cryogenics.[5]

Linear compressors are used in LG and Kenmore refrigerators. Compressors of this type have less noise, and are more energy efficient than conventional refrigerator compressors.

See also

  • hydrogen compressor
  • liquid hydrogen
  • Timeline of low-temperature technology
  • Timeline of hydrogen technologies

References

1. ^{{cite web|url=http://worldwide.espacenet.com/publicationDetails/originalDocument?CC=GB&NR=191215963A&KC=A&FT=D&ND=3&date=19131008&DB=EPODOC&locale=en_EP|title=Espacenet : Original document|website=Worldwide.espacenet.com|accessdate=5 November 2017}}
2. ^{{cite web|url=http://worldwide.espacenet.com/publicationDetails/originalDocument?CC=CA&NR=245708A&KC=A&FT=D&ND=3&date=19241230&DB=EPODOC&locale=en_EP|title=Espacenet : Original document|website=Worldwide.espacenet.com|accessdate=5 November 2017}}
3. ^{{cite web|url=http://worldwide.espacenet.com/publicationDetails/originalDocument?CC=US&NR=1615133A&KC=A&FT=D&ND=3&date=19270118&DB=&locale=en_EP|title=Espacenet : Original document|website=Worldwide.espacenet.com|accessdate=5 November 2017}}
4. ^{{cite web|url=http://www.ohio.edu/mechanical/thermo/Intro/Chapt.1_6/refrigerator/refrig_problems.html|title=Problems 4.7 - A Home Refrigerator (updated 3/15/13)|website=Ohio.edu|accessdate=5 November 2017}}
5. ^{{cite journal |doi=10.1016/j.cryogenics.2005.03.007 |title=Development of a valved linear compressor for a satellite borne J–T cryocooler |journal=Cryogenics |volume=45 |issue=7 |pages=496–500 |year=2005 |last1=Reed |first1=Jaime |last2=Dadd |first2=Mike |last3=Bailey |first3=Paul |last4=Petach |first4=Michael |last5=Raab |first5=Jeff |bibcode=2005Cryo...45..496R }}

3 : Gas compressors|Cooling technology|Hydrogen technologies

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