PT98147A - Bombas de rotor de engrenagem - Google Patents

Bombas de rotor de engrenagem

Info

Publication number
PT98147A
PT98147A PT9814791A PT9814791A PT98147A PT 98147 A PT98147 A PT 98147A PT 9814791 A PT9814791 A PT 9814791A PT 9814791 A PT9814791 A PT 9814791A PT 98147 A PT98147 A PT 98147A
Authority
PT
Portugal
Prior art keywords
lobes
gear rotor
rotor pumps
lobed
gear
Prior art date
Application number
PT9814791A
Other languages
English (en)
Other versions
PT98147B (pt
Inventor
Richard Robert Freeman
Original Assignee
Concentric Pumps 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 Concentric Pumps Ltd filed Critical Concentric Pumps Ltd
Priority to PT9814791A priority Critical patent/PT98147B/pt
Publication of PT98147A publication Critical patent/PT98147A/pt
Publication of PT98147B publication Critical patent/PT98147B/pt

Links

Landscapes

  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
PT9814791A 1991-06-28 1991-06-28 Bombas de rotor de engrenagem PT98147B (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PT9814791A PT98147B (pt) 1991-06-28 1991-06-28 Bombas de rotor de engrenagem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT9814791A PT98147B (pt) 1991-06-28 1991-06-28 Bombas de rotor de engrenagem

Publications (2)

Publication Number Publication Date
PT98147A true PT98147A (pt) 1993-08-31
PT98147B PT98147B (pt) 1999-06-30

Family

ID=20084975

Family Applications (1)

Application Number Title Priority Date Filing Date
PT9814791A PT98147B (pt) 1991-06-28 1991-06-28 Bombas de rotor de engrenagem

Country Status (1)

Country Link
PT (1) PT98147B (pt)

Also Published As

Publication number Publication date
PT98147B (pt) 1999-06-30

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Legal Events

Date Code Title Description
BB1A Laying open of patent application

Effective date: 19930331

FG3A Patent granted, date of granting

Effective date: 19990330

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20010930