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.)
Expired
Application number
GB1617422A
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.)
WALTER HENRY GUNNINGHAM
Original Assignee
WALTER HENRY GUNNINGHAM
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 WALTER HENRY GUNNINGHAMfiledCriticalWALTER HENRY GUNNINGHAM
Priority to GB1617422ApriorityCriticalpatent/GB203078A/en
Publication of GB203078ApublicationCriticalpatent/GB203078A/en
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
F04B33/00—Pumps actuated by muscle power, e.g. for inflating
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
General Engineering & Computer Science
(AREA)
Compressor
(AREA)
Compressors, Vaccum Pumps And Other Relevant Systems
(AREA)
Abstract
203,078. Gunningham, W. H. June 10, 1922. Pistons.-In a compound air-pump, the lowpressure pistons are formed with bosses entering the hollows of bosses on the cylinder covers and having screwed into them rods w, x connecting the low and high-pressure pistons. The high-pressure pistons are secured by nuts 19, 2C to the ends of the rods, which are received in hollows in the high-pressure cylinder covers.
GB1617422A1922-06-101922-06-10Improvements in or relating to air pumps
ExpiredGB203078A
(en)