Differential pressure regulator

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Description

FIG. 1 is a front view of a differential pressure regulator showing our new design;

FIG. 2 is a rear view of the differential pressure regulator shown in FIG. 1;

FIG. 3 is a top plan view of the differential pressure regulator shown in FIG. 1;

FIG. 4 is a bottom plan view of the differential pressure regulator shown in FIG. 1;

FIG. 5 is a side view from one side of the differential pressure regulator shown in FIG. 1;

FIG. 6 is a side view of the other side of the differential pressure regulator shown in FIG. 1;

FIG. 7 is a perspective view from one side and below of the differential pressure regulator shown in FIG. 1; and,

FIG. 8 is a perspective view from the other side and above of the differential pressure regulator shown in FIG. 1.

Claims

The ornamental design for a differential pressure regulator, as shown and described.

Referenced Cited
U.S. Patent Documents
D218921 October 1970 Lecoq
D283740 May 6, 1986 Wiessinger et al.
D317494 June 11, 1991 Miyake et al.
D318713 July 30, 1991 Miyake et al.
Patent History
Patent number: D449093
Type: Grant
Filed: Nov 16, 2000
Date of Patent: Oct 9, 2001
Assignee: Tour & Andersson Hydronics AB (Ljung)
Inventors: Anders Engelbrektsson (Herrljunga), Alvar Torstensson (Borås)
Primary Examiner: Robin V. Taylor
Attorney, Agent or Law Firm: Davis & Bujold, P.L.L.C.
Application Number: 29/132,830
Classifications
Current U.S. Class: Pressure Regulating Or Relieving (D23/235)
International Classification: 2301;