GB559729A - Improvements in and relating to rotary pumps - Google Patents

Improvements in and relating to rotary pumps

Info

Publication number
GB559729A
GB559729A GB1293142A GB1293142A GB559729A GB 559729 A GB559729 A GB 559729A GB 1293142 A GB1293142 A GB 1293142A GB 1293142 A GB1293142 A GB 1293142A GB 559729 A GB559729 A GB 559729A
Authority
GB
United Kingdom
Prior art keywords
relating
rotary pumps
pumps
rotary
Prior art date
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
GB1293142A
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.)
Varley Pumps & Engineering Ltd
Original Assignee
Varley Pumps & Engineering 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 Varley Pumps & Engineering Ltd filed Critical Varley Pumps & Engineering Ltd
Priority to GB1293142A priority Critical patent/GB559729A/en
Publication of GB559729A publication Critical patent/GB559729A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
GB1293142A 1942-09-14 1942-09-14 Improvements in and relating to rotary pumps Expired GB559729A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1293142A GB559729A (en) 1942-09-14 1942-09-14 Improvements in and relating to rotary pumps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1293142A GB559729A (en) 1942-09-14 1942-09-14 Improvements in and relating to rotary pumps

Publications (1)

Publication Number Publication Date
GB559729A true GB559729A (en) 1944-03-02

Family

ID=10013759

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1293142A Expired GB559729A (en) 1942-09-14 1942-09-14 Improvements in and relating to rotary pumps

Country Status (1)

Country Link
GB (1) GB559729A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2116634A (en) * 1982-03-10 1983-09-28 Fiat Auto Spa Rotary positive-displacement fluid-machines
US4465442A (en) * 1980-12-18 1984-08-14 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh Rotary piston pump with pressure equalization chambers for the shaft split seals
ITRM20110378A1 (en) * 2011-07-19 2013-01-20 Mario Antonio Morselli ROTARY VOLUMETRIC PUMP WITH BIELICOIDAL TOOTHED WHEELS

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4465442A (en) * 1980-12-18 1984-08-14 Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh Rotary piston pump with pressure equalization chambers for the shaft split seals
GB2116634A (en) * 1982-03-10 1983-09-28 Fiat Auto Spa Rotary positive-displacement fluid-machines
ITRM20110378A1 (en) * 2011-07-19 2013-01-20 Mario Antonio Morselli ROTARY VOLUMETRIC PUMP WITH BIELICOIDAL TOOTHED WHEELS
WO2013011535A3 (en) * 2011-07-19 2014-01-23 Mario Antonio Morselli Double-helical gear rotary positive displacement pump
US9464632B2 (en) 2011-07-19 2016-10-11 Settima Meccanica S.R.L. Double-helical gear rotary positive displacement pump

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