TW202212698A - Compressor and compressor system - Google Patents
Compressor and compressor system Download PDFInfo
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- TW202212698A TW202212698A TW110132277A TW110132277A TW202212698A TW 202212698 A TW202212698 A TW 202212698A TW 110132277 A TW110132277 A TW 110132277A TW 110132277 A TW110132277 A TW 110132277A TW 202212698 A TW202212698 A TW 202212698A
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- 239000007788 liquid Substances 0.000 claims abstract description 41
- 239000003507 refrigerant Substances 0.000 claims abstract description 41
- 238000002347 injection Methods 0.000 claims abstract description 22
- 239000007924 injection Substances 0.000 claims abstract description 22
- 239000010687 lubricating oil Substances 0.000 claims description 60
- 239000003921 oil Substances 0.000 claims description 39
- 238000005192 partition Methods 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 16
- 239000002826 coolant Substances 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000014509 gene expression Effects 0.000 description 4
- 238000013021 overheating Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/08—Cooling; Heating; Preventing freezing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
- F04B39/062—Cooling by injecting a liquid in the gas to be compressed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/01—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being mechanical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/023—Hermetic compressors
- F04B39/0238—Hermetic compressors with oil distribution channels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/023—Hermetic compressors
- F04B39/0238—Hermetic compressors with oil distribution channels
- F04B39/0246—Hermetic compressors with oil distribution channels in the rotating shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/023—Hermetic compressors
- F04B39/0261—Hermetic compressors with an auxiliary oil pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0284—Constructional details, e.g. reservoirs in the casing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
- F04B39/064—Cooling by a cooling jacket in the pump casing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/125—Cylinder heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/06—Combinations of two or more pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/18—Lubricating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/04—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B27/053—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with an actuating element at the inner ends of the cylinders
- F04B27/0536—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with an actuating element at the inner ends of the cylinders with two or more series radial piston-cylinder units
- F04B27/0538—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with an actuating element at the inner ends of the cylinders with two or more series radial piston-cylinder units directly located side-by-side
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
本揭示係關於一種壓縮機及壓縮機系統。The present disclosure relates to a compressor and a compressor system.
於壓縮機中,若壓縮機因壓縮後之高溫高壓氣體而過熱,則壓縮機吸入之被壓縮氣體之密度降低,成為壓縮機效率降低之原因。因此,例如於往復移動型壓縮機(Reciprocating compressor)中,作為抑制壓縮機過熱之機構,進行於曲柄軸箱或頂蓋之內部設置流動冷卻水之配管。例如,專利文獻1、2揭示有一種對頂蓋內之噴出空間噴射冷媒液,以冷媒之蒸發潛熱將壓縮後之噴出氣體冷卻,藉此抑制過熱的構成。 [先前技術文獻] [專利文獻] In the compressor, if the compressor is overheated by the compressed high-temperature and high-pressure gas, the density of the compressed gas sucked by the compressor decreases, which is the cause of the decrease in the compressor efficiency. Therefore, for example, in a reciprocating compressor (reciprocating compressor), as a mechanism for suppressing overheating of the compressor, piping for flowing cooling water is provided inside the crankcase or the top cover. For example, Patent Documents 1 and 2 disclose a configuration in which overheating is suppressed by spraying refrigerant liquid into the ejection space in the top cover, and cooling the compressed ejection gas with the latent heat of evaporation of the refrigerant. [Prior Art Literature] [Patent Literature]
[專利文獻1]日本專利特開2010-53765號公報 [專利文獻2]日本專利特開2011-163192號公報 [Patent Document 1] Japanese Patent Laid-Open No. 2010-53765 [Patent Document 2] Japanese Patent Laid-Open No. 2011-163192
[發明所欲解決之問題][Problems to be Solved by Invention]
根據專利文獻1、2揭示之構成,可將噴出氣體冷卻,可抑制壓縮機之過熱。但因冷卻之影響,有於壓縮機之表面(例如頂蓋或殼體之表面)產生大量霜之虞。此種產生大量霜之構成不佳。According to the structures disclosed in Patent Documents 1 and 2, the ejected gas can be cooled, and the overheating of the compressor can be suppressed. However, due to the influence of cooling, there is a possibility that a large amount of frost may be generated on the surface of the compressor (such as the surface of the top cover or the casing). Such a composition that produces a large amount of frost is not good.
本揭示係鑑於上述問題而完成者,其目的在於對壓縮機之噴出空間噴射冷媒液,將壓縮後之噴出氣體冷卻之情形時,抑制於壓縮機之表面產生霜。 [解決問題之技術手段] The present disclosure has been made in view of the above-mentioned problems, and its object is to suppress the generation of frost on the surface of the compressor when the refrigerant liquid is sprayed into the discharge space of the compressor to cool the compressed discharge gas. [Technical means to solve problems]
為達成上述目的,本揭示之壓縮機具備:噴出閥;噴出空間,其形成於上述噴出閥之下游側;液體注入孔,其用以對上述噴出空間注入冷媒液;及熱媒體流路,其隔著形成上述噴出空間之分隔壁,位於上述噴出空間之相反側。In order to achieve the above object, the compressor of the present disclosure includes: a discharge valve; a discharge space formed on the downstream side of the discharge valve; a liquid injection hole for injecting refrigerant liquid into the discharge space; and a heat medium flow path It is located on the opposite side of the said ejection space through the partition wall which forms the said ejection space.
又,本揭示之壓縮機系統為具備低段壓縮部與高段壓縮部之壓縮機系統,至少上述低段壓縮部由上述記載之壓縮機構成。 此處,「低段壓縮部」及「高段壓縮部」包含具有各自獨立之殼體之低段壓縮機及高段壓縮機,例如如往復移動壓縮機所示,收納於1個收納殼體中之低段壓縮機及高段壓縮機。 [發明之效果] Moreover, the compressor system of this disclosure is a compressor system provided with a low-stage compression part and a high-stage compression part, and at least the said low-stage compression part is comprised by the compressor of the said description. Here, the "low-stage compression part" and the "high-stage compression part" include a low-stage compressor and a high-stage compressor having independent casings, for example, as shown in a reciprocating compressor, which are housed in one housing case Middle and low stage compressors and high stage compressors. [Effect of invention]
根據本揭示之壓縮機及壓縮機系統,藉由設置上述熱媒體流路,可將包含形成噴出空間之分隔壁之壓縮機之殼體升溫,故可抑制於壓縮機之表面產生霜。According to the compressor and the compressor system of the present disclosure, by providing the heat medium flow path, the temperature of the casing of the compressor including the partition wall forming the ejection space can be raised, so that the generation of frost on the surface of the compressor can be suppressed.
以下,一面參照隨附圖式,一面對本發明之若干實施形態進行說明。但,作為實施形態記載或圖式所示之構成零件之尺寸、材質、形狀、其相對配置等不過為說明例,並非將本發明之範圍限定於此之主旨。 例如,「於某方向」、「沿某方向」、「平行」、「正交」、「中心」、「同心」或「同軸」等表示相對性或絕對性配置之表現不僅嚴格地表示此種配置,亦表示以公差或獲得相同功能之程度之角度或距離相對位移之狀態。 例如,「同一」、「相等」、「均一」等表示事物相等之狀態之表現不僅嚴格地表示相等之狀態,亦表示存在公差或獲得相同功能之程度之差的狀態。 例如,表示四邊形狀或圓筒形狀等形狀之表現不僅表示幾何學上嚴格意義之四邊形狀或圓筒形狀等形狀,亦表示於獲得相同效果之範圍內,包含凹凸部或倒角部等之形狀。 另一方面,「配備」、「具有」、「具備」、「包含」或「含有」一構成要件之表現,並非排除其他構成要件之存在之互斥性表現。 Hereinafter, some embodiments of the present invention will be described with reference to the accompanying drawings. However, the dimensions, materials, shapes, and relative arrangements of the components described in the embodiments or shown in the drawings are merely illustrative examples, and are not intended to limit the scope of the present invention. For example, expressions such as "in a certain direction", "along a certain direction", "parallel", "orthogonal", "center", "concentric" or "coaxial" indicating a relative or absolute arrangement do not strictly mean such Disposition also means the state of relative displacement by angle or distance with tolerance or degree of obtaining the same function. For example, "identical", "equal", "uniform", etc. express the state that things are equal not only strictly express the state of equality, but also express the state of the existence of tolerance or difference in the degree of obtaining the same function. For example, the expression indicating a shape such as a quadrilateral shape or a cylindrical shape not only refers to a geometrically strict shape such as a quadrilateral shape or a cylindrical shape, but also refers to a shape including a concave and convex portion, a chamfered portion, and the like within a range in which the same effect is obtained. . On the other hand, the expression "equipped", "has", "has", "includes" or "includes" a constituent element is not a mutually exclusive expression that excludes the existence of other constituent elements.
圖1及圖2係顯示一實施形態之壓縮機10之前視剖視圖及潤滑油供給系統之系統圖。圖1及圖2中,壓縮機10例如為組入冷凍裝置等中,以將冷媒氣體壓縮之方式構成之壓縮機。壓縮機10具備噴出閥12,於噴出閥12之下游側形成有噴出空間Sv。於壓縮機殼體16,形成有用以對噴出空間Sv注入冷媒液之液體注入孔14。於本實施形態中,與專利文獻1及2同樣,被壓縮氣體即冷媒氣體之冷凝液自液體注入孔14注入至噴出空間Sv。冷凝液於高溫之噴出空間Sv內蒸發,自噴出氣體Gv吸收蒸發潛熱,將噴出氣體Gv冷卻。藉此,可抑制噴出氣體Gv之過熱。然而,如此會如上述所示,有於形成噴出空間Sv之殼體18之表面產生霜之虞。1 and 2 are a front cross-sectional view showing a
因此,為抑制於殼體18產生霜,壓縮機10具備:熱媒體流路20,其隔著形成噴出空間Sv之分隔壁18a,位於噴出空間Sv之相反側。藉由於熱媒體流路20流動熱媒體,包含分隔壁18a之殼體18升溫,因而可抑制於殼體18之表面產生霜。Therefore, in order to suppress the generation of frost on the
一實施形態中,壓縮機10具備流動有供給至被潤滑部之潤滑油r之潤滑油流路22。熱媒體流路20相對於潤滑油流路22串聯或並聯設置。根據該實施形態,可於熱媒體流路20中流過潤滑油r,該潤滑油將壓縮機10內之被潤滑部潤滑且冷卻,並吸收被潤滑部之熱,故可藉由潤滑油r之保有熱,將包含形成噴出空間Sv之分隔壁18a之殼體18升溫。藉此,可抑制於壓縮機10之殼體18之表面產生霜。壓縮機10之被潤滑部作為一例,包含旋轉體或旋轉體支持部之至少一者。作為更具體之一例,被潤滑部為後述之曲柄軸48及推力軸承50。被潤滑部亦可為曲柄軸48或推力軸承50之任一者。In one embodiment, the
一實施形態中,如圖2所示,熱媒體流路20相對於潤滑油流路22串聯配置,形成包含壓縮機10之被潤滑部、熱媒體流路20及潤滑油流路22之潤滑油r之循環路24。又,於循環路24,設置有用以使潤滑油r循環之油泵26。根據該實施形態,由於將藉由油泵26而於循環路24中循環之潤滑油r於熱媒體流路20中冷卻,故無需專用之油冷卻器,可低成本化。In one embodiment, as shown in FIG. 2 , the heat
圖3係顯示相對於循環路24並聯設置有熱媒體流路20之實施形態。該實施形態中,於流過壓縮機10之被潤滑部之潤滑油之循環路24設置有油冷卻器28。流過循環路24之潤滑油r於壓縮機10之被潤滑部流動,將被潤滑部冷卻並加溫,且以油冷卻器28冷卻。再者,壓縮機10具備自循環路24分支,與熱媒體流路20連通,再次與循環路24合流之分支路30。流過分支路30之潤滑油r於熱媒體流路20中與噴出氣體Gv進行熱交換,將噴出氣體Gv加溫。根據該實施形態,藉由熱媒體流路20將噴出氣體Gv加溫,藉此可抑制於分隔壁18a或包含分隔壁18a之殼體18之表面產生霜。另一方面,冷卻潤滑油r之主要作用由油冷卻器28承擔。FIG. 3 shows an embodiment in which the heat
如圖3所示,亦可於循環路24及分支路30,分別設置流量調整閥32、34。另,亦可僅設置流量調整閥32與流量調整閥34之任一者。藉由設置該等流量調整閥32、34,可調整流過分支路30之潤滑油r之流量,故可抑制熱媒體流路20之加溫性能。另,分支路30相對於循環路24之分支部及合流部較佳以適於熱媒體流路20之加溫條件之溫度之潤滑油r流過熱媒體流路20之方式配置。As shown in FIG. 3 ,
一實施形態中,如圖1及圖2所示,壓縮機10為往復移動型壓縮機。該情形時,壓縮機10構成為於壓縮機殼體16之內部收容汽缸40,活塞42於汽缸40之內部往復移動。於汽缸40之一端側(圖示中為汽缸40之上端),設置有用以支持噴出閥12之閥板44,進而設置有作為包含形成噴出空間Sv之分隔壁18a之殼體18之頂蓋。根據此種往復移動型壓縮機即壓縮機10,由於可將作為殼體18之頂蓋以流過熱媒體流路20之熱媒體升溫,故可抑制於頂蓋之表面產生霜。另,本實施形態中,壓縮機10之殼體18為頂蓋,但殼體18不限於頂蓋。以下,有將殼體18稱為頂蓋18之情形。In one embodiment, as shown in FIGS. 1 and 2 , the
再者,如圖1及圖2所示,於壓縮機殼體16之下部設置曲柄軸箱46。於曲柄軸箱46,曲柄軸48經由推力軸承50被支持。於曲柄軸箱46之底部形成有潤滑油r之積油間Os。活塞42經由連桿52連接於曲柄軸48,活塞42藉由曲柄軸48之旋轉於汽缸40之內部往復移動。於圖1及圖2所示之例示性實施形態中,2個汽缸40並聯設置,2個汽缸40之活塞42以由曲柄軸48之旋轉角度相差180°之相位往復移動之方式連接於曲柄軸48。再者,於曲柄軸箱46之外側且曲柄軸48之一端,設置有旋轉驅動曲柄軸48之馬達54。於曲柄軸48之另一端設置油泵26,油泵26藉由曲柄軸48之旋轉而作動。Furthermore, as shown in FIGS. 1 and 2 , a
如圖2所示,於積油間Os設置油過濾器56,藉由油泵26將潤滑油r自積油間Os上吸至潤滑油流路22。以設置於潤滑油流路22之末端之壓力調整閥58,調整流過循環路24之潤滑油r之油壓。於曲柄軸48及推力軸承50等之被潤滑部形成有油路60及62。自油泵26噴出至潤滑油流路22之潤滑油r供給至該等油路。如圖2所示,油路60之一部分經由曲柄銷53導設至活塞42。又,潤滑油r自潤滑油流路22供給至熱媒體流路20,將噴出氣體Gv加溫。通過熱媒體流路20之潤滑油r經由油路60及62等返回至積油間Os。如此,形成上述潤滑油r之循環路24。As shown in FIG. 2 , an
如圖1所示,於汽缸40之外側形成吸入空間Si,若活塞42下降,汽缸40內之壓縮空間減壓,則被壓縮氣體即冷媒氣體自吸入空間Si通過吸入閥63被吸入至汽缸40內之壓縮空間。吸入至壓縮空間之冷媒氣體於壓縮空間被壓縮,朝噴出空間Sv噴出。藉由螺旋彈簧64將圓板形狀之閥箱66壓抵於閥板44之上表面並固定,而將閥板44之開口遮蔽。藉由螺栓68將截頭圓錐形之閥片70結合於閥箱66之下表面。於閥板66形成噴出氣體通路,且安裝有噴出閥12。若活塞42上升,汽缸室之氣壓變大,則上推噴出閥12,對噴出氣體通路噴出冷媒氣體。As shown in FIG. 1, a suction space Si is formed on the outside of the
一實施形態中,如圖1及圖2所示,壓縮機10具備用以將壓縮機驅動用馬達54冷卻之冷卻劑流路72。冷卻劑流路72與熱媒體流路20連通。該實施形態中,由於使冷卻馬達54並吸入馬達54之保有熱之液狀冷卻劑流過熱媒體流路20,可藉由冷卻劑之保有熱,將包含形成噴出空間Sv之分隔壁18a之殼體18升溫,故可抑制於壓縮機10之殼體18之表面產生霜。In one embodiment, as shown in FIGS. 1 and 2 , the
再者,作為其他實施形態,例如亦可將壓縮機10之其他部分中作為冷卻液使用之溫熱之溫水或防凍液等供給至熱媒體流路20,將噴出空間Sv加溫。Furthermore, as another embodiment, for example, warm water or antifreeze used as cooling fluid in other parts of the
一實施形態中,如圖1所示,於作為殼體18之頂蓋之外表面,設置內部具有熱媒體導入空間之套蓋74。該熱媒體導入空間形成熱媒體流路20。根據該實施形態,因只藉由於現有之壓縮機安裝套蓋74,可形成熱媒體流路20,無須改造其他部分,故可容易形成熱媒體流路20。In one embodiment, as shown in FIG. 1 , a
圖1所示之例示性實施形態中,於套蓋74形成熱媒體流路20之入口孔74a及出口孔74b,於入口孔74a及出口孔74b分別連接潤滑油流路22。如此,將潤滑油r自入口孔74a供給至熱媒體導入空間(熱媒體流路20),自出口孔74b排出至潤滑油流路22。如圖1所示,入口孔74a與出口孔74b分別形成於套蓋74之互相分開之兩端部。藉此,可延長熱媒體導入空間中之潤滑油r之滯留時間,且可提高與噴出氣體Gv之熱交換率。In the exemplary embodiment shown in FIG. 1, an
一實施形態中,如圖1所示,用以將冷媒液注入至噴出空間Sv之液體注入孔14包含:貫通孔14a,其形成於閥板44;及連通孔14b,其設置於壓縮機殼體16之壁部,用以與貫通孔14a連通,使貫通孔14a與外部空間連通。如後所述,包含壓縮機10之熱泵裝置中,於連通孔14b連接自受液器88之出口側冷媒路分支之冷媒路76,自冷媒路76對液體注入孔14供給冷媒液。In one embodiment, as shown in FIG. 1, the
一實施形態中,如圖1所示,貫通孔14a之一端朝噴出空間Sv開口,貫通孔14a之另一端以與連通孔14b連通之方式形成。In one embodiment, as shown in FIG. 1 , one end of the through
根據該實施形態,可將液體注入孔14形成於避開頂蓋18之位置。於頂蓋18側,需設置熱媒體流路20,將液體注入孔14設置於頂蓋18側之情形時,兩者之設置位置相干涉。本實施形態中,由於可將液體注入孔14形成於避開頂蓋18之閥板44側之位置,故可實現能夠避免與熱媒體流路20相干涉之液體注入孔14之佈局。According to this embodiment, the
另,圖1所示之例示性實施形態中,連通孔14b形成於壓縮機殼體16之一部分,即包圍汽缸40之殼體之上端部。另一方面,連通孔14b亦可形成於閥板44。又,液體注入孔14之設置位置不限定於上述實施形態,亦可形成於其他位置,例如頂蓋18。In addition, in the exemplary embodiment shown in FIG. 1 , the
一實施形態中,如圖1所示,閥板44之外周緣部介裝於壓縮機殼體16與頂蓋18之外周緣部間。如此,若將閥板44之外周緣部以露出於壓縮機10之外部空間之狀態配置,則用以使液體注入孔14朝壓縮機10之外部空間開口之加工變得容易。又,如圖1所示,由於壓縮機殼體16、閥板44及頂蓋18之外周緣部積層為3層,故可容易將該等3層外周緣部以螺栓78一起緊固一起緊固結合。藉此,閥板44之安裝變得容易。In one embodiment, as shown in FIG. 1 , the outer peripheral edge portion of the
一實施形態中,圖4所示之壓縮機系統80為具備低段壓縮機82與高段壓縮機84,將冷媒氣體設為被壓縮氣體之2段壓縮機系統,低段壓縮機82以上述實施形態之壓縮機10構成。由於低段壓縮機82以壓縮機10構成,故低段壓縮機82中,可抑制於包含形成噴出空間之分隔壁之殼體18之表面產生霜。In one embodiment, the
圖4所示之例示性壓縮機系統80之低段壓縮機82及高段壓縮機84以往復移動型壓縮機構成。於冷媒循環路86設置受液器88,受液器88內之冷媒液通過冷媒循環路86以膨脹閥90減壓,由蒸發器92自負載吸收蒸發潛熱而蒸發。由蒸發器92蒸發之冷媒氣體吸入至低段壓縮機82之吸入室94,進而經由吸入閥96吸入至汽缸98並被壓縮。The
以汽缸98壓縮之冷媒氣體經由噴出閥100噴出至噴出室102,自噴出室102噴出至冷媒循環路86。噴出至冷媒循環路86之冷媒氣體以油分離器104與潤滑油分離後,被吸入至高段壓縮機84之吸入室94。吸入至高段壓縮機84之吸入室94之冷媒氣體進而經由吸入閥96被吸入至汽缸98且壓縮,並自噴出室102噴出至冷媒循環路86。噴出至冷媒循環路86之冷媒氣體以油分離器104與潤滑油分離後,以冷凝器106冷卻而液化。The refrigerant gas compressed by the
於受液器88之下游側設置有自冷媒循環路86分支之分支路108,於分支路108設置有液泵110及壓力調整閥112。分支路108連接於高段壓縮機84之噴出室102,冷媒液藉由油泵26之旋轉數控制及壓力調整閥112之壓力控制,加壓為較高段壓縮機84之噴出室102更高壓,且自設置於噴出室102之噴射噴嘴114噴射至噴出室102之內部。噴射之冷媒液於噴出室102之溫度及壓力條件下蒸發,將噴出空間冷卻。A
再者,於冷媒循環路86,設置有於較分支路108更下游側位置,自冷媒循環路86分支之分支路116。分支路116與設置於低段壓縮機82之噴出室102之內壁面之噴射噴嘴114連接。由於低段壓縮機82之噴出室102較分支路116更低壓,故無需將冷媒液增壓,可以該壓力直接供給至噴出室102。低段壓縮機82之噴出室102藉由自噴射噴嘴114噴射之冷媒液於噴出室102之溫度及壓力條件下蒸發而冷卻。於該實施形態中,由於低段壓縮機82以上述各實施形態之壓縮機10構成,故可抑制於壓縮機10之殼體(頂蓋)18之表面產生霜。Furthermore, the
另,於圖4所示之壓縮機系統80中,低段壓縮機82及高段壓縮機84亦可構成於1個殼體中,收納有低段壓縮機與高段壓縮機之單機2段壓縮機。例如,圖1所示之壓縮機10中,亦可構成一側之汽缸40為低段壓縮機,另一側之汽缸為高段壓縮機之壓縮機系統。In addition, in the
上述各實施形態所記載之內容例如以下述方式被掌握。The content described in each of the above-mentioned embodiments is grasped in the following manner, for example.
1)一個態樣之壓縮機(10)具備:噴出閥(12);噴出空間(Sv),其形成於上述噴出閥之下游側;液體注入孔(14),其用以對上述噴出空間注入冷媒液;及熱媒體流路(20),其隔著形成上述噴出空間之分隔壁(18a),位於上述噴出空間之相反側。1) A compressor (10) in one aspect includes: a discharge valve (12); a discharge space (Sv) formed on the downstream side of the discharge valve; and a liquid injection hole (14) for injecting the discharge space into the discharge space A refrigerant liquid; and a heat medium flow path (20) located on the opposite side of the ejection space through a partition wall (18a) forming the ejection space.
根據此種構成,藉由設置上述熱媒體流路,可將包含形成噴出空間之分隔壁之壓縮機殼體升溫,故可抑制於該壓縮機之表面產生霜。According to such a configuration, by providing the heat medium flow path, the temperature of the compressor casing including the partition wall forming the ejection space can be raised, so that the generation of frost on the surface of the compressor can be suppressed.
2)另一態樣之壓縮機為1)記載之壓縮機,其具備:潤滑油流路(22),其流動有供給至上述壓縮機之被潤滑部之潤滑油(r);且上述熱媒體流路(20)相對於上述潤滑油流路(22)串聯或並聯設置。2) The compressor of another aspect is the compressor described in 1), which is provided with: a lubricating oil flow path (22) in which the lubricating oil (r) supplied to the lubricated part of the above-mentioned compressor flows; The media flow path (20) is arranged in series or in parallel with respect to the lubricating oil flow path (22).
根據此種構成,由於可於熱媒體流路中流過用於潤滑壓縮機之被潤滑部且吸收被潤滑部之熱之潤滑油,故可藉由該潤滑油之保有熱,將形成噴出空間之分隔壁升溫。藉此,可抑制包含該分隔壁之壓縮機殼體中之霜之產生。According to this configuration, since the lubricating oil for lubricating the lubricated part of the compressor and absorbing the heat of the lubricating part can flow through the heat medium flow path, the heat retention of the lubricating oil can form the discharge space. The dividing wall heats up. Thereby, the generation of frost in the compressor casing including the partition wall can be suppressed.
3)進而另一態樣之壓縮機為2)記載之壓縮機,其具備:油泵(26),其以形成包含上述被潤滑部、上述潤滑油流路(22)及上述熱媒體流路之上述潤滑油之循環路(24)之方式,相對於上述潤滑油流路串聯配置上述熱媒體流路;於上述循環路內使上述潤滑油循環。3) A compressor according to another aspect is the compressor according to 2), which is provided with an oil pump (26) for forming an oil pump (26) including the lubricated portion, the lubricating oil flow path (22), and the heat medium flow path. In the form of the lubricating oil circulation path (24), the heat medium flow path is arranged in series with respect to the lubricating oil flow path, and the lubricating oil is circulated in the circulation path.
根據此種構成,由於流過潤滑油循環路之潤滑油於熱媒體流路中與噴出氣體熱交換,被噴出氣體冷卻,故熱媒體流路取代油冷卻器。因此,無須專用之油冷卻器,可低成本化。According to this configuration, since the lubricating oil flowing through the lubricating oil circulation path exchanges heat with the ejection gas in the heat medium flow path, and is cooled by the ejection gas, the heat medium flow path replaces the oil cooler. Therefore, there is no need for a dedicated oil cooler, and the cost can be reduced.
4)進而另一態樣之壓縮機為1)至3)中任一項記載之壓縮機,其具備:壓縮機驅動用馬達(54);及冷卻劑流路(72),其用以冷卻上述壓縮機驅動用馬達;且上述冷卻劑流路與上述熱媒體流路(20)連通。4) A compressor of still another aspect is the compressor according to any one of 1) to 3), comprising: a compressor driving motor (54); and a coolant flow path (72) for cooling The compressor driving motor; and the coolant flow path communicates with the heat medium flow path (20).
根據此種構成,由於藉由於熱媒體流路中流過用以冷卻壓縮機驅動用馬達之冷卻劑,而可藉由冷卻壓縮機驅動用馬達並吸收熱之冷卻劑之保有熱,將包含形成噴出空間之分隔壁之壓縮機殼體升溫,故可抑制於該壓縮機之表面產生霜。According to such a configuration, since the coolant for cooling the compressor drive motor flows through the heat medium flow path, the heat retention of the coolant which cools the compressor drive motor and absorbs the heat can be included in the formation of ejection. The compressor casing of the partition wall of the space is heated up, so that frost can be prevented from being generated on the surface of the compressor.
5)進而另一態樣之壓縮機為1)至4)中任一項記載之壓縮機,其具備:壓縮機殼體(16);汽缸(40),其設置於上述壓縮機殼體內;活塞(42),其於上述汽缸之內部往復移動;閥板(44),其設置於上述汽缸之一端側,用以支持上述噴出閥;及頂蓋(18),其包含形成上述噴出空間之上述分隔壁(18a)。5) A compressor according to another aspect is the compressor according to any one of 1) to 4), comprising: a compressor casing (16); a cylinder (40) provided in the compressor casing; A piston (42), which reciprocates inside the cylinder; a valve plate (44), which is arranged on one end side of the cylinder to support the ejection valve; and a top cover (18), which includes a space for forming the ejection space. The above-mentioned partition wall (18a).
根據此種構成,由於可以流過熱媒體流路之熱媒體將上述頂蓋升溫,故可抑制於頂蓋之表面產生霜。According to this configuration, since the heat medium flowing through the heat medium flow path can raise the temperature of the top cover, generation of frost on the surface of the top cover can be suppressed.
6)進而另一態樣之壓縮機為5)記載之壓縮機,其具備:套蓋(74),其設置於上述頂蓋之外表面,於內部具有熱媒體導入空間;且上述熱媒體導入空間形成上述熱媒體流路(20)。6) The compressor of another aspect is the compressor described in 5), comprising: a cover (74) provided on the outer surface of the top cover, and having a heat medium introduction space inside; and the heat medium introduction space The space forms the above-mentioned heat medium flow path (20).
根據此種構成,因於現有之壓縮機安裝上述套蓋,可形成熱媒體流路,無需改造其他部分,故可容易形成熱媒體流路。According to such a configuration, since the above-mentioned cover is installed in the existing compressor, the heat medium flow path can be formed without modification of other parts, so that the heat medium flow path can be easily formed.
7)進而另一態樣之壓縮機為5)或6)記載之壓縮機,其中上述液體注入孔(14)包含:貫通孔(14a),其形成於上述閥板(44);及連通孔(14b),其設置於上述壓縮機殼體(16)之壁部,用以與上述貫通孔(14a)連通,使上述貫通孔(14a)與外部空間連通。7) The compressor of another aspect is the compressor according to 5) or 6), wherein the liquid injection hole (14) includes: a through hole (14a) formed in the valve plate (44); and a communication hole (14b), which is provided on the wall of the compressor casing (16) to communicate with the through hole (14a), so that the through hole (14a) communicates with the external space.
根據此種構成,於頂蓋側需設置熱媒體流路,於閥板側而非頂蓋側形成液體注入孔,因而可避免與熱媒體流路相干涉,可實現注入孔之佈局。According to this structure, the heat medium flow path needs to be provided on the top cover side, and the liquid injection hole is formed on the valve plate side instead of the top cover side, so that interference with the heat medium flow path can be avoided, and the layout of the injection hole can be realized.
8)進而另一態樣之壓縮機為5)至7)中任一項所記載之壓縮機,其中上述閥板(44)之外周緣部介裝於上述壓縮機殼體(16)與上述頂蓋(18)之外周緣部間。8) A compressor according to another aspect is the compressor according to any one of 5) to 7), wherein the outer peripheral edge portion of the valve plate (44) is interposed between the compressor casing (16) and the above-mentioned compressor. Between the outer peripheral edge of the top cover (18).
根據此種構成,藉由將壓縮機殼體、閥板及頂蓋之外周緣部以螺栓等緊固件一起緊固一起緊固,而容易設置閥板。又,由於閥板之外周緣部之端面露出於外部空間,故容易形成連通噴出空間與外部空間之液體注入孔。According to such a configuration, the valve plate can be easily installed by fastening the compressor casing, the valve plate, and the outer peripheral edge portion of the top cover together with fasteners such as bolts. In addition, since the end face of the outer peripheral edge portion of the valve plate is exposed to the external space, it is easy to form a liquid injection hole which communicates the discharge space and the external space.
9)一態樣之壓縮機系統(80)為具備低段壓縮部(82)與高段壓縮部(84)之壓縮機系統(80),至少上述低段壓縮部(82)由5)至8)中任一項記載之壓縮機(10)構成。9) The compressor system (80) of one aspect is a compressor system (80) having a low-stage compression part (82) and a high-stage compression part (84), and at least the low-stage compression part (82) is composed of 5) to 8) The compressor (10) described in any one of the configurations.
根據此種構成,由於至少低段壓縮部由各實施形態之壓縮機構成,故於低段壓縮部中,可抑制壓縮機表面之霜產生。According to such a configuration, since at least the low-stage compression part is constituted by the compressor of each embodiment, the generation of frost on the compressor surface can be suppressed in the low-stage compression part.
10:壓縮機 12:噴出閥 14:液體注入孔 14a:貫通孔 14b:連通孔 16:壓縮機殼體 18:殼體(頂蓋) 18a:分隔壁(形成噴出空間之分隔壁) 20:熱媒體流路 22:潤滑油流路 24:循環路 26:油泵 28:油冷卻器 30:分支路 32:流量調整閥 34:流量調整閥 40:汽缸 42:活塞 44:閥板 46:曲柄軸箱 48:曲柄軸 50:推力軸承 52:連桿 53:曲柄銷 54:壓縮機驅動用馬達 56:油過濾器 58:壓力調整閥 60:油路 62:油路 63:吸入閥 64:螺旋彈簧 66:閥箱 68:螺栓 70:閥片 72:冷卻劑流路 74:套蓋 74a:入口孔 74b:出口孔 76:冷媒路 78:螺栓 80:壓縮機系統 82:低段壓縮機 84:高段壓縮機 86:冷媒循環路 88:受液器 90:膨脹閥 92:蒸發器 94:吸入室 96:吸入閥 98:汽缸 100:噴出閥 102:噴出室 104:油分離器 106:冷凝器 108:分支路 110:液泵 112:壓力調整閥 114:噴射噴嘴 116:分支路 Gv:噴出氣體 Os:積油間 r:潤滑油 Si:吸入空間 Sv:噴出空間 10: Compressor 12: Discharge valve 14: Liquid injection hole 14a: Through hole 14b: Connecting hole 16: Compressor housing 18: Shell (top cover) 18a: Partition wall (partition wall forming ejection space) 20: Hot media stream 22: Lubricating oil flow path 24: Circular Road 26: Oil pump 28: Oil cooler 30: Branch Road 32: Flow adjustment valve 34: Flow adjustment valve 40: Cylinder 42: Pistons 44: valve plate 46: Crankcase 48: Crankshaft 50: Thrust bearing 52: connecting rod 53: Crank pin 54: Motor for compressor drive 56: Oil filter 58: Pressure regulating valve 60: oil circuit 62: oil circuit 63: Suction valve 64: Coil Spring 66: Valve box 68: Bolts 70: valve plate 72: Coolant flow path 74: Cover 74a: Entry hole 74b: Exit hole 76: Refrigerant road 78: Bolts 80: Compressor system 82: Low stage compressor 84: High stage compressor 86: Refrigerant circulation circuit 88: Receiver 90: Expansion valve 92: Evaporator 94: Inhalation Chamber 96: Suction valve 98: Cylinder 100: Discharge valve 102: Ejection chamber 104: Oil separator 106: Condenser 108: Branch Road 110: Liquid pump 112: Pressure regulating valve 114: jet nozzle 116: Branch Road Gv: spew gas Os: Oil accumulation room r: lubricating oil Si: inhalation space Sv: Squirting Space
圖1係一實施形態之往復移動型壓縮機之前視剖視圖。 圖2係顯示一實施形態之往復移動型壓縮機之潤滑油供給系統之系統圖。 圖3係顯示一實施形態之往復移動型壓縮機之潤滑油供給系統之系統圖。 圖4係一實施形態之壓縮機系統之系統圖。 Fig. 1 is a front sectional view of a reciprocating compressor according to an embodiment. FIG. 2 is a system diagram showing a lubricating oil supply system of the reciprocating compressor according to one embodiment. Fig. 3 is a system diagram showing a lubricating oil supply system of the reciprocating compressor according to one embodiment. Fig. 4 is a system diagram of a compressor system according to an embodiment.
10:壓縮機 10: Compressor
12:噴出閥 12: Discharge valve
14:液體注入孔 14: Liquid injection hole
14a:貫通孔 14a: Through hole
14b:連通孔 14b: Connecting hole
16:壓縮機殼體 16: Compressor housing
18:殼體(頂蓋) 18: Shell (top cover)
18a:分隔壁(形成噴出空間之分隔壁) 18a: Partition wall (partition wall forming ejection space)
20:熱媒體流路 20: Hot media stream
22:潤滑油流路 22: Lubricating oil flow path
24:循環路 24: Circular Road
26:油泵 26: Oil pump
40:汽缸 40: Cylinder
42:活塞 42: Pistons
44:閥板 44: valve plate
46:曲柄箱 46: Crankcase
48:曲柄軸 48: Crankshaft
50:推力軸承 50: Thrust bearing
52:連桿 52: connecting rod
53:曲柄銷 53: Crank pin
54:壓縮機驅動用馬達 54: Motor for compressor drive
56:油過濾器 56: Oil filter
58:壓力調整閥 58: Pressure regulating valve
60:油路 60: oil circuit
62:油路 62: oil circuit
63:吸入閥 63: Suction valve
64:螺旋彈簧 64: Coil Spring
66:閥箱 66: Valve box
68:螺栓 68: Bolts
70:閥片 70: valve plate
72:冷卻劑流路 72: Coolant flow path
74:套蓋 74: Cover
74a:入口孔 74a: Entry hole
74b:出口孔 74b: Exit hole
76:冷媒路 76: Refrigerant road
78:螺栓 78: Bolts
Gv:噴出氣體 Gv: spew gas
r:潤滑油 r: lubricating oil
Si:吸入空間 Si: inhalation space
Sv:噴出空間 Sv: Squirting Space
Claims (9)
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JP2020-148523 | 2020-09-03 | ||
JP2020148523A JP7517915B2 (en) | 2020-09-03 | 2020-09-03 | Compressor and compressor system |
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TW202212698A true TW202212698A (en) | 2022-04-01 |
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US (1) | US20230296091A1 (en) |
EP (1) | EP4187090A4 (en) |
JP (1) | JP7517915B2 (en) |
KR (1) | KR20230042348A (en) |
CN (1) | CN116134224A (en) |
TW (1) | TW202212698A (en) |
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JPS4929504U (en) * | 1972-06-17 | 1974-03-14 | ||
JPS5026405U (en) * | 1973-06-30 | 1975-03-26 | ||
JPS5455503U (en) * | 1977-09-21 | 1979-04-17 | ||
JPH04164177A (en) * | 1990-10-29 | 1992-06-09 | Sanyo Electric Co Ltd | Cooling controller for compressor |
JP5486174B2 (en) | 2008-08-28 | 2014-05-07 | 株式会社前川製作所 | Heat pump device and reciprocating compressor for refrigerant |
JP5553628B2 (en) | 2010-02-09 | 2014-07-16 | 株式会社前川製作所 | A heat pump device comprising a reciprocating compressor |
US20110203304A1 (en) | 2010-02-25 | 2011-08-25 | Mayekawa Mfg, Co., Ltd. | Heat pump unit and reciprocating compressor for refrigerant |
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2020
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2021
- 2021-08-27 CN CN202180053178.0A patent/CN116134224A/en active Pending
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EP4187090A1 (en) | 2023-05-31 |
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