Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanwa Seiki Ltd
Original Assignee
Sanwa Seiki Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanwa Seiki LtdfiledCriticalSanwa Seiki Ltd
Priority to JP56077970ApriorityCriticalpatent/JPS57193786A/ja
Publication of JPS57193786ApublicationCriticalpatent/JPS57193786A/ja
Publication of JPS6261796B2publicationCriticalpatent/JPS6261796B2/ja
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
F04B49/24—Bypassing
F04B49/243—Bypassing by keeping open the inlet valve
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
General Engineering & Computer Science
(AREA)
Control Of Positive-Displacement Pumps
(AREA)
JP56077970A1981-05-251981-05-25Air compressor with automatic unloading system
GrantedJPS57193786A
(en)