PUMPS AND PUMP-HEAD COMPRISING INTERNAL PRESSURE-ABSORBING MEMBER
PROBLEM TO BE SOLVED: To meet a need for pumps that exhibit reduced pressure pulsatility of the output stream of liquid that has been pumped.SOLUTION: A pump includes a pump housing 28 defining a pump cavity 38, a movable pumping member 34, 36 situated in the pump cavity 38, and at least one pressur...
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| creator | GRIMES DAVID J WARDLE KEITH J |
| description | PROBLEM TO BE SOLVED: To meet a need for pumps that exhibit reduced pressure pulsatility of the output stream of liquid that has been pumped.SOLUTION: A pump includes a pump housing 28 defining a pump cavity 38, a movable pumping member 34, 36 situated in the pump cavity 38, and at least one pressure-absorbing member 56 located inside the pump housing 28. The housing 28 also has an inlet and an outlet, and includes at least one interior non-wearing location that contacts liquid in the pump housing 28 when the pump housing 28 is primed with the liquid. The at least one pressure-absorbing member 56 is located inside the pump housing 28 at the non-wearing location and contacts the liquid. The pressure-absorbing member 56 has a compliant property to exhibit a volumetric compression when subjected to a pressure increase in the liquid contacting the pressure-absorbing member 56. The volumetric compression is sufficient to alleviate at least a portion of the pressure increase.
【課題】汲み上げられた液体の出力ストリームの縮小圧力拍動性を示すポンプが求められている。【解決手段】ポンプキャビティ３８、ポンプキャビティ３８内に位置する可動ポンピング部材３４，３６、及びポンプハウジング２８内に配置される少なくとも一つの圧力吸収部材５６、を定義するポンプハウジング２８を備える。ハウジングはまた、インレット及びアウトレットを有し、液体によって呼び水がされたとき、ポンプハウジング２８の液体に接触する少なくとも一つの内部非磨耗区域を含む。少なくとも一つの圧力吸収部材５６は、ポンプハウジング２８内の非摩耗区域に配置され、液体に接触する。圧力吸収部材５６は、圧力吸収部材５６が接触する液体の中の圧力上昇を受けるとき、容量圧縮を示す対応特性を有する。容量圧縮は、圧力上昇の少なくとも一部を緩和するために十分である。【選択図】図１Ｅ |
| format | Patent |
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【課題】汲み上げられた液体の出力ストリームの縮小圧力拍動性を示すポンプが求められている。【解決手段】ポンプキャビティ３８、ポンプキャビティ３８内に位置する可動ポンピング部材３４，３６、及びポンプハウジング２８内に配置される少なくとも一つの圧力吸収部材５６、を定義するポンプハウジング２８を備える。ハウジングはまた、インレット及びアウトレットを有し、液体によって呼び水がされたとき、ポンプハウジング２８の液体に接触する少なくとも一つの内部非磨耗区域を含む。少なくとも一つの圧力吸収部材５６は、ポンプハウジング２８内の非摩耗区域に配置され、液体に接触する。圧力吸収部材５６は、圧力吸収部材５６が接触する液体の中の圧力上昇を受けるとき、容量圧縮を示す対応特性を有する。容量圧縮は、圧力上昇の少なくとも一部を緩和するために十分である。【選択図】図１Ｅ</description><language>eng ; jpn</language><subject>BLASTING ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS ; WEAPONS</subject><creationdate>2015</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151008&DB=EPODOC&CC=JP&NR=2015178835A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151008&DB=EPODOC&CC=JP&NR=2015178835A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GRIMES DAVID J</creatorcontrib><creatorcontrib>WARDLE KEITH J</creatorcontrib><title>PUMPS AND PUMP-HEAD COMPRISING INTERNAL PRESSURE-ABSORBING MEMBER</title><description>PROBLEM TO BE SOLVED: To meet a need for pumps that exhibit reduced pressure pulsatility of the output stream of liquid that has been pumped.SOLUTION: A pump includes a pump housing 28 defining a pump cavity 38, a movable pumping member 34, 36 situated in the pump cavity 38, and at least one pressure-absorbing member 56 located inside the pump housing 28. The housing 28 also has an inlet and an outlet, and includes at least one interior non-wearing location that contacts liquid in the pump housing 28 when the pump housing 28 is primed with the liquid. The at least one pressure-absorbing member 56 is located inside the pump housing 28 at the non-wearing location and contacts the liquid. The pressure-absorbing member 56 has a compliant property to exhibit a volumetric compression when subjected to a pressure increase in the liquid contacting the pressure-absorbing member 56. The volumetric compression is sufficient to alleviate at least a portion of the pressure increase.
【課題】汲み上げられた液体の出力ストリームの縮小圧力拍動性を示すポンプが求められている。【解決手段】ポンプキャビティ３８、ポンプキャビティ３８内に位置する可動ポンピング部材３４，３６、及びポンプハウジング２８内に配置される少なくとも一つの圧力吸収部材５６、を定義するポンプハウジング２８を備える。ハウジングはまた、インレット及びアウトレットを有し、液体によって呼び水がされたとき、ポンプハウジング２８の液体に接触する少なくとも一つの内部非磨耗区域を含む。少なくとも一つの圧力吸収部材５６は、ポンプハウジング２８内の非摩耗区域に配置され、液体に接触する。圧力吸収部材５６は、圧力吸収部材５６が接触する液体の中の圧力上昇を受けるとき、容量圧縮を示す対応特性を有する。容量圧縮は、圧力上昇の少なくとも一部を緩和するために十分である。【選択図】図１Ｅ</description><subject>BLASTING</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS</subject><subject>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHAMCPUNCFZw9HNRALF0PVwdXRSc_X0DgjyDPf3cFTz9QlyD_Bx9FAKCXIODQ4NcdR2dgv2DnEByvq6-Tq5BPAysaYk5xam8UJqbQcnNNcTZQze1ID8-tbggMTk1L7Uk3ivAyMDQ1NDcwsLY1NGYKEUAQtArog</recordid><startdate>20151008</startdate><enddate>20151008</enddate><creator>GRIMES DAVID J</creator><creator>WARDLE KEITH J</creator><scope>EVB</scope></search><sort><creationdate>20151008</creationdate><title>PUMPS AND PUMP-HEAD COMPRISING INTERNAL PRESSURE-ABSORBING MEMBER</title><author>GRIMES DAVID J ; WARDLE KEITH J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2015178835A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2015</creationdate><topic>BLASTING</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS</topic><topic>ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>GRIMES DAVID J</creatorcontrib><creatorcontrib>WARDLE KEITH J</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GRIMES DAVID J</au><au>WARDLE KEITH J</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PUMPS AND PUMP-HEAD COMPRISING INTERNAL PRESSURE-ABSORBING MEMBER</title><date>2015-10-08</date><risdate>2015</risdate><abstract>PROBLEM TO BE SOLVED: To meet a need for pumps that exhibit reduced pressure pulsatility of the output stream of liquid that has been pumped.SOLUTION: A pump includes a pump housing 28 defining a pump cavity 38, a movable pumping member 34, 36 situated in the pump cavity 38, and at least one pressure-absorbing member 56 located inside the pump housing 28. The housing 28 also has an inlet and an outlet, and includes at least one interior non-wearing location that contacts liquid in the pump housing 28 when the pump housing 28 is primed with the liquid. The at least one pressure-absorbing member 56 is located inside the pump housing 28 at the non-wearing location and contacts the liquid. The pressure-absorbing member 56 has a compliant property to exhibit a volumetric compression when subjected to a pressure increase in the liquid contacting the pressure-absorbing member 56. The volumetric compression is sufficient to alleviate at least a portion of the pressure increase.
【課題】汲み上げられた液体の出力ストリームの縮小圧力拍動性を示すポンプが求められている。【解決手段】ポンプキャビティ３８、ポンプキャビティ３８内に位置する可動ポンピング部材３４，３６、及びポンプハウジング２８内に配置される少なくとも一つの圧力吸収部材５６、を定義するポンプハウジング２８を備える。ハウジングはまた、インレット及びアウトレットを有し、液体によって呼び水がされたとき、ポンプハウジング２８の液体に接触する少なくとも一つの内部非磨耗区域を含む。少なくとも一つの圧力吸収部材５６は、ポンプハウジング２８内の非摩耗区域に配置され、液体に接触する。圧力吸収部材５６は、圧力吸収部材５６が接触する液体の中の圧力上昇を受けるとき、容量圧縮を示す対応特性を有する。容量圧縮は、圧力上昇の少なくとも一部を緩和するために十分である。【選択図】図１Ｅ</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS |
| title | PUMPS AND PUMP-HEAD COMPRISING INTERNAL PRESSURE-ABSORBING MEMBER |
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