{"id":13197,"date":"2020-12-30T23:42:13","date_gmt":"2020-12-30T22:42:13","guid":{"rendered":"https:\/\/revija-ventil.si\/internal-leakage-of-hydraulic-components\/"},"modified":"2020-12-30T23:45:09","modified_gmt":"2020-12-30T22:45:09","slug":"internal-leakage-of-hydraulic-components","status":"publish","type":"post","link":"https:\/\/revija-ventil.si\/en\/internal-leakage-of-hydraulic-components\/","title":{"rendered":"Internal Leakage of hydraulic Components"},"content":{"rendered":"

[et_pb_section fb_built=”1″ admin_label=”section” _builder_version=”4.0.9″][et_pb_row column_structure=”3_4,1_4″ use_custom_gutter=”on” gutter_width=”2″ admin_label=”row” _builder_version=”4.7.7″ background_size=”initial” background_position=”top_left” background_repeat=”repeat”][et_pb_column type=”3_4″ _builder_version=”3.25″ custom_padding=”|||” custom_padding__hover=”|||”][et_pb_post_title author=”off” date_format=”j. F, Y” comments=”off” featured_image=”off” admin_label=”Post Title” _builder_version=”4.7.7″ title_level=”h2″ custom_margin=”||30px||false|false” custom_margin_tablet=”||20px||false|false” custom_margin_phone=”” custom_margin_last_edited=”on|desktop” custom_padding=”||||false|false” global_module=”11762″ saved_tabs=”all”][\/et_pb_post_title][et_pb_text content_last_edited=”off|desktop” admin_label=”Avtor” _builder_version=”4.7.7″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” min_height=”21px” custom_margin=”||10px||false|false” custom_margin_tablet=”||||false|false” custom_margin_phone=”||10px||false|false” custom_margin_last_edited=”on|desktop” custom_padding=”0px||0px||false|false” custom_padding_last_edited=”off|desktop” use_border_color=”off”]<\/p>\n

Doc. dr. Franc Majdi\u010d, Univerza v Ljubljani, Fakulteta za strojni\u0161tvo
\nDr. Jo\u017eef Pezdirnik, Uredni\u0161tvo revije Ventil, UL, FS <\/h6>\n

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Abstract:
<\/strong>Internal leakage occurs in a lot of hydraulic components; pumps, hydromotors, spool sliding valves. Inside of them a gap exists between the two elements with relative velocities. At pressure differences a certain flow, named internal leakage, leaks through this gap. Internal leakage is unavoidable for the components functioning with elements with sliding contacts. During years of application because of the wear of sliding surfaces the internal leakage increases. The higher contamination of the liquid the more intensive wear is, what means increasing of internal leakage. The consequence results in reducing volumetric efficiency of the components and the system, following the reduction of working velocity of the machine.<\/p>\n

Keywords:
<\/strong>power-control hydraulics, hydraulic components, liquids, internal leakage, gap between sliding elements, contamination particles<\/p>\n

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Internal leakage occurs in a lot of hydraulic components; pumps, hydromotors, spool sliding valves. 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