Rotary positive-displacement pump

- Alfa Laval Corporate AB
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Description

2. Rotary positive-displacement pump

2.1 : Perspective

2.2 : Perspective

2.3 : Front

2.4 : Back

2.5 : Right

2.6 : Left

2.7 : Top

The broken lines shown are included for the purpose of illustrating unclaimed subject matter and form no part of the claimed design.

Claims

The ornamental design for for a rotary positive-displacement pump, as shown and described.

Referenced Cited
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Other references
  • Alfa Laval Corp: Instruction Manual “Rotary Lobe Pumps—SX Range”; ESE00915-EN8; dated Sep. 2017; 42 pages.
  • Alfa Laval Corp: Instruction Manual “Rotary Lobe Pumps—SRU Range”; ESE00693-EN14; dated Sep. 2017; 56 pages.
  • Alfa Laval Corp: Instruction Manual “SCPP 2 Circumferential Piston Pump”; ESE01682-EN4; dated Feb. 2016; 28 pages.
Patent History
Patent number: D976962
Type: Grant
Filed: Jan 19, 2021
Date of Patent: Jan 31, 2023
Assignee: Alfa Laval Corporate AB (Lund)
Inventors: Lars Kjaerulff (Hadsund), Simon Cargill (Eastbourne)
Primary Examiner: Richard E Chilcot
Application Number: 35/512,258
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)