There is provided a refrigerant compressor including compressor parts having sliding portions slidable relative to each other and a refrigeration oil applied to the sliding portions of the compressor parts. At least one of the sliding portions of the compressor parts has a hard carbon coating formed
There is provided a refrigerant compressor including compressor parts having sliding portions slidable relative to each other and a refrigeration oil applied to the sliding portions of the compressor parts. At least one of the sliding portions of the compressor parts has a hard carbon coating formed thereon with a hydrogen content of 20 atomic % or less.
대표청구항▼
What is claimed is: 1. A refrigerant compressor, comprising: compressor parts having sliding portions slidable relative to each other; and a refrigeration oil applied to the sliding portions of the compressor parts, wherein at least one of the sliding portions of the compressor parts comprises a ha
What is claimed is: 1. A refrigerant compressor, comprising: compressor parts having sliding portions slidable relative to each other; and a refrigeration oil applied to the sliding portions of the compressor parts, wherein at least one of the sliding portions of the compressor parts comprises a hard carbon coating formed with a hydrogen content of 20 atomic % or less and wherein the refrigeration oil comprises at least one oxygen-containing organic compound as a friction modifier. 2. A refrigerant compressor according to claim 1, wherein the hard carbon coating has a hydrogen content of 10 atomic % or less. 3. A refrigerant compressor according to claim 2, wherein the hard carbon coating has a hydrogen content of 5 atomic % or less. 4. A refrigerant compressor according to claim 3, wherein the hard carbon coating has a hydrogen content of 0.5 atomic % or less. 5. A refrigerant compressor according to claim 1, wherein the sliding portion has a surface toughness Ra of 0.1 μm or smaller in a condition that the hard carbon coating has not yet been formed on the sliding portion. 6. A refrigerant compressor according to claim 1, wherein said at least one oxygen-containing compound is selected from the group consisting of alcohols, carboxylic acids, ethers, esters and derivatives thereof. 7. A refrigerant compressor according to claim 1, wherein the refrigeration oil has a base oil selected from the group consisting of mineral oils, synthetic oils and mixtures thereof. 8. A refrigerant compressor according to claim 1, the compressor parts including: a drive shaft; a bearing; a wobble plate supported by the bearing so as to make a reciprocating motion upon rotation of the drive shaft; a guide ball fitted to the wobble plate; a guide pin having a sliding portion slidably inserted through a sliding portion of the guide ball; a cylinder having a cylinder bore formed therein; a piston having a sliding portion slidably disposed in a sliding portion of the cylinder bore; and a piston rod for transmitting the reciprocating motion of the wobble plate to the piston; at least one of the sliding portions between the guide pin and the guide ball having a hard carbon coating formed with a hydrogen content of 20 atomic % or less; and at least one of the sliding portions between the piston and the cylinder bore having a hard carbon coating formed with a hydrogen content of 20 atomic % or less. 9. A refrigerant compressor according to claim 1, the compressor parts including: a rotor shaft; a rotor rotated together with the rotor shaft; a plurality of vanes retractably attached to the rotor; a ring disposed around the rotor and having a sliding portion slidable relative to a sliding portion of the rotor or vane; and a pair of side plates disposed on open ends of the ring and having respective sliding portions slidable relative to sliding portions of the rotor or vane; at least one of the sliding portions between the ring and the rotor or vane having a hard carbon coating formed with a hydrogen content of 20 atomic % or less; and at least one of the sliding portions between the side plate and the rotor or vane having a hard carbon coating formed with a hydrogen content of 20 atomic % or less. 10. A refrigerant compressor, comprising: compressor parts having sliding portions slidable relative to each other; and a lubricant predominantly comprises a hydroxyl group containing compound applied to the sliding portions of the compressor parts, wherein at least one of the sliding portions of the compressor parts comprises a hard carbon coating formed with a hydrogen content of 20 atomic % or less. 11. A refrigerant compressor according to claim 10, wherein the hydroxyl group containing compound is an alcohol. 12. A refrigerant compressor according to claim 11, wherein the alcohol is either glycerol or ethylene glycol. 13. A refrigerant compressor according to claim 10, wherein the hard carbon coating has a hydrogen content of 10 atomic % or less. 14. A refrigerant compressor according to claim 13, wherein the hard carbon coating has a hydrogen content of 5 atomic % or less. 15. A refrigerant compressor according to claim 14, wherein the hard carbon coating has a hydrogen content of 0.5 atomic % or less. 16. A refrigerant compressor according to claim 10, wherein the sliding portion has a surface roughness Ra of 0.1 μm or smaller in a condition that the hard carbon coating has not yet been formed on the sliding portion. 17. A refrigerant compressor according to claim 10, the compressor parts including: a drive shaft; a bearing; a wobble plate supported by the bearing so as to make a reciprocating motion upon rotation of the drive shaft; a guide ball fitted to the wobble plate; a guide pin having a sliding portion slidably inserted through a sliding portion of the guide ball; a cylinder having a cylinder bore formed therein; a piston having a sliding portion slidably disposed in a sliding portion of the cylinder bore; and a piston rod for transmitting the reciprocating motion of the wobble plate to the piston; at least one of the sliding portions between the guide pin and the guide ball having a hard carbon coating formed with a hydrogen content of 20 atomic % or less; and at least one of the sliding portions between the piston and the cylinder bore having a hard carbon coating formed with a hydrogen content of 20 atomic % or less. 18. A refrigerant compressor according to claim 10, the compressor parts including: a rotor shaft; a rotor rotated together with the rotor shaft; a plurality of vanes retractably attached to the rotor; a ring disposed around the rotor and having a sliding portion slidable relative to a sliding portion of the rotor or vane; and a pair of side plates disposed on open ends of the ring and having respective sliding portions slidable relative to sliding portions of the rotor or vane; at least one of the sliding portions between the ring and the rotor or vane having a hard carbon coating formed with a hydrogen content of 20 atomic % or less; and at least one of the sliding portions between the side plate and the rotor or vane having a hard carbon coating formed with a hydrogen content of 20 atomic % or less. 19. A process for controlling sliding friction between compressor parts in a refrigerant compressor, the process comprising: covering at least one of opposed sliding portions of the compressor parts with a hard carbon coating, while adjusting a hydrogen content of the hard carbon coating to 20 atomic % or less; and applying a refrigeration oil comprising an oxygen-containing organic friction modifier, to a sliding interface between the sliding portions of the compressor parts. 20. A process according to claim 19, wherein the hydrogen content of the hard carbon coating is controlled to 10 atomic % or less. 21. A process according to claim 20, wherein the hydrogen content of the hard carbon coating is controlled to 5 atomic % or less. 22. A process according to claim 21, wherein the hydrogen content of the hard carbon coating is controlled to 0.5 atomic % or less. 23. A process for controlling sliding friction between compressor parts in a refrigerant compressor, the process comprising: covering at least one of opposed sliding portions of the compressor parts with a hard carbon coating, while adjusting a hydrogen content of the hard carbon coating to 20 atomic % or less; and applying a lubricant predominantly comprising of a hydroxyl group containing compound, to a sliding interface between the sliding portions of the compressor parts. 24. A process according to claim 23, wherein the hydrogen content of the hard carbon coating is controlled to 10 atomic % or less. 25. A process according to claim 24, wherein the hydrogen content of the hard carbon coating is controlled to 5 atomic % or less. 26. A process according to claim 25, wherein the hydrogen content of the hard carbon coating is controlled to 0.5 atomic % or less.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (289)
Kimock Fred M. (Macungie) Knapp Bradley J. (Allentown) Finke Steven J. (Kutztown PA), Abrasion wear resistant polymeric substrate product.
Coad, Eric C.; O'Neill, David G., Abrasive article comprising a structured diamond-like carbon coating and method of using same to mechanically treat a substrate.
Martin Lawrence L. (Maplewood MN) O\Neill David G. (Woodbury MN) David Moses M. (Woodbury MN), Abrasive article having a diamond-like coating layer and method for making same.
Brennan ; III James F. ; Sloan Diann A. ; Fahey Maureen T. ; Novack James C., Accelerated method for increasing the photosensitivity of a glassy material.
Gishel New ; Jeffrey W. Moses ; Nicholas Kipshidze ; Gary S. Roubin ; Martin B. Leon, Apparatus and method for delivering compounds to a living organism.
Thomas O. Bales ; Michael W. Calhoun ; Robert Sixto, Jr. ; John E. Abele, Apparatus and method for electrode-surgical tissue removal having a selectively insulated electrode.
Tsukuda Akimitsu,JPX ; Horiuchi Mitsuhiro,JPX ; Tsuzuki Toshihiro,JPX, Aromatic polyamide film, method of manufacturing the same and magnetic recording medium using the same film.
Tsukuda Akimitsu,JPX ; Sueoka Masanori,JPX ; Tsuzuki Toshihiro,JPX, Aromatic polyamide resin moldings, production methods thereof, and magnetic recording medium produced therefrom.
Cooper Clark V. (Glastonbury CT) Isabelle Charles J. (Winsted CT), Broad-beam ion deposition coating methods for depositing diamond-like-carbon coatings on dynamic surfaces.
Boutaghou Zine-Eddine ; Schaenzer Mark James ; Liners William Omar ; Hoehn Joel William ; Polycarpou Andreas Argyros, Burnishing head with fly height control spacer.
Massler, Orlaw; Pedrazzini, Mauro; Wohlrab, Christian; Eberle, Hubert; Grischke, Martin, DLC coating system and process and apparatus for making coating system.
Dimitrijevic, Steven; Withers, James C.; Loutfy, Raouf O., Diamond/diamond-like carbon coated nanotube structures for efficient electron field emission.
Izu Masatsugu ; Doehler Joachim ; Jones Scott, E-beam/microwave gas jet PECVD method and apparatus for depositing and/or surface modification of thin film materials.
Julio C. Palmaz ; Eugene A. Sprague ; Cristina Simon ; Denes Marton ; Roger W. Wiseman ; Christopher E. Banas, Endoluminal device exhibiting improved endothelialization and method of manufacture thereof.
Palmaz, Julio C.; Sprague, Eugene A.; Simon, Cristina; Marton, Denes; Wiseman, Roger W.; Banas, Christopher E., Endoluminal device exhibiting improved endothelialization and method of manufacture thereof.
Palmaz, Julio C.; Boyle, Christopher T.; Banas, Christopher E.; Wiseman, Roger W.; Marton, Denes, Endoluminal implantable devices and method of making same.
Bache Roger J. (Reading GB2) Clipstone Colin J. (Reading GB2) Parker Colin F. (Reading GB2) Pumfrey Joan (Reading GB2), Formation of hard coatings on cutting edges.
Repenning Detlef (Seelandstrasse 65 24000 Luebeck 14 DEX) Mordike Barry L. (Edelhof 3 3360 Osterode-Dorste DEX), Friction pairing and process for its production.
Koike Ryota,JPX ; Miya Yukio,JPX ; Sugiyama Osamu,JPX ; Toida Takashi,JPX ; Sekine Toshiichi,JPX, Guide bush and method of forming film over guide bush.
DiMarcello Frank V. (Clinton Township ; Hunterdon County) Huff Richard G. (Basking Ridge) Lemaire Paul J. (Madison) Walker Kenneth L. (New Providence NJ), Hermetically sealed optical fibers.
Minokami Tomiyasu (Sodegaura JPX) Koshima Hiroaki (Sodegaura JPX) Yamasaki Hirotaka (Sodegaura JPX) Gotoh Masahisa (Ichihara JPX), Mannich reaction product and process for producing the same and use of the product.
Dautremont-Smith William C. (Westfield NJ) Feldman Leonard C. (Berkeley Heights NJ) Kalish Rafael (Haifa NJ ILX) Katz Avishay (Westfield NJ) Miller Barry (Murray Hill NJ) Moriya Netzer (Maplewood NJ), Metallized paths on diamond surfaces.
Ma Muyuan M. ; Oliver Jay T., Method for high scan sputter coating to produce coated, abrasion resistant press plates with reduced built-in thermal stress.
de Juan ; Jr. Eugene (Phoenix MD) Jones Gary W. (Raleigh NC) Jones Susan K. (Raleigh NC) Reisman Arnold (Raleigh NC) Van Winkle Jon (Durham NC), Method for making microstructural surgical instruments.
Dawson Robert (Austin TX) Ponder Kenneth J. (Las Gatos CA), Method for planarizing a semiconductor topography using a spin-on glass material with a variable chemical-mechanical pol.
Born Maurice (Nanterre FRX) Parc Guy (Rueil Malmaison FRX) Briquet Lucienne (Rueil Malmaison FRX) Paquer Daniel (Vandoeuvre FRX), Method for the preparation of olefin polysulfides, the products obtained and their utilization as lubricant additives.
Lemelson Jerome H. (868 Tyler Way Incline Village NV 89540) Conley James G. (443 Jefferson Ave. Glencoe IL 60022), Method of depositing synthetic diamond coatings with intermediates bonding layers.
Yamamoto Kiyoshi (Yokohama) Hirabayashi Keiji (Tokyo) Kurihara Noriko (Tokyo) Taniguchi Yasushi (Kawasaki) Ikoma Keiko (Yokohama JPX), Method of making an optical element mold with a hard carbon film.
Lund Jeffrey B. (Salt Lake City UT) Smith Redd H. (Salt Lake City UT), Modified superhard cutting elements having reduced surface roughness method of modifying, drill bits equipped with such.
Matthias, Terry R.; Griffin, Nigel Dennis; Hughes, Peter Raymond, Polycrystalline diamond cutters with working surfaces having varied wear resistance while maintaining impact strength.
Tamor Michael A. (Toledo OH) Willermet Pierre A. (Livonia MI) Vassell William C. (Bloomfield MI) Gangopadhyay Arup K. (Novi MI), Powertrain component with adherent film having a graded composition.
Willermet Pierre A. (Livonia MI) Gangopadhyay Arup K. (Novi MI) Tamor Michael A. (Toledo OH) Vassell William C. (Bloomfield MI), Powertrain component with amorphous hydrogenated carbon film.
Anttila Asko (Mustikkasuontie 17 00940 Helsinki FIX) Hirvonen Juha-Pekka (Vanamonkuja 1 A 6 01350 Vantaa NY FIX) Koskinen Jari (546 Warren Rd. ; Apt. 2 Ithaca NY 14850), Procedure and apparatus for the coating of materials by means of a pulsating plasma beam.
Van Doren, John C.; Magill, Richard; Sellers, Bruce; Erickson, Tim; Schnieder, Scott; Courington, Steve; Bethel, Lance, Process and apparatus for improving and controlling the vulcanization of natural and synthetic rubber compounds.
Cooper Clark V. (Glastonbury CT) Bushnell Paul J. (Syracuse NY) Mertell Martin M. (East Syracuse NY), Rotary compressor with reduced lubrication sensitivity.
Trotta Robert A. (Pembroke MA) Hahn Steve S. (Wellesley MA) Madeira John (Assonet MA) Chou Chong-ping P. (Lexington MA) Brooks Lamar E. (North Providence RI), Shaving system.
Ushijima, Kenshi; Yasuda, Yoshiteru; Kano, Makoto, Sliding structure for a reciprocating internal combustion engine and a reciprocating internal combustion engine using the sliding structure.
Nauflett George W. (Oxon Hill MD) Farncomb Robert E. (Accokeek MD) Kumar M. Lalith (Pittsburg PA), Supercritical water oxidation reactor with a corrosion-resistant lining.
Lund Jeffrey B. (Salt Lake City UT) Smith Redd H. (Salt Lake City UT), Superhard cutting element having reduced surface roughness and method of modifying.
Lund Jeffrey B. ; Smith Redd H. ; Butcher Trent N., Superhard cutting structure having reduced surface roughness and bit for subterranean drilling so equipped.
Lemelson Jerome H. ; Conley James G., Synthetic diamond coatings with intermediate amorphous metal bonding layers and methods of applying such coatings.
Schaefer Mark W. ; Levendusky Thomas L. ; Sheu Simon ; Larsen Robert B. ; Whittle Neville C., Techniques for transferring holograms into metal surfaces.
Schaefer Mark W. ; Levendusky Thomas L. ; Sheu Simon ; Larsen Robert B. ; Whittle Neville C., Techniques for transferring holograms into metal surfaces.
Capone, Christopher D.; Dempsey, Ruey C.; Heilman, Marlin S.; Kolenik, Steve A.; Moore, Daniel R.; Parisi, Carl M.; Prem, Edward K.; Sofranko, Richard A.; Borzelleca, David C.; Burgreen, Greg; Holmes, Touch down of blood pump impellers.
Dearnaley Geoffrey (San Antonio TX) Lankford ; Jr. James (San Antonio TX), Treatments to reduce frictional wear between components made of ultra-high molecular weight polyethylene and metal alloy.
Yuntian T. Zhu ; Terry C. Lowe ; Ruslan Z. Valiev RU; Vladimir V. Stolyarov RU; Vladimir V. Latysh RU; Georgy J. Raab RU, Ultrafine-grained titanium for medical implants.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.