Pump impeller

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Description

FIG. 1 is the impeller viewed obliquely from above.

FIG. 2 is the impeller viewed obliquely from below.

FIG. 3 is the impeller viewed from front.

FIG. 4 is the impeller viewed from back.

FIG. 5 is the impeller viewed from right.

FIG. 6 is the impeller viewed from left.

FIG. 7 is the impeller viewed from above.

FIG. 8 is the impeller viewed from below.

FIG. 9 is a cross section taken along the line 99 of FIG. 7.

FIG. 10 is a cross section taken along the line 1010 of FIG. 7.

FIG. 11 is a cross section taken along the line 1111 of FIG. 7; and,

FIG. 12 is a cross section taken along the line 1212 of FIG. 7.

The present article is an impeller provided in a pump. This impeller has two flow paths located to be symmetric about a central axis, including an inlet opening at the bottom as shown in FIG. 2, and outlets opening at the lateral side of the impeller as shown in FIGS. 3 and 4. The flow paths connect the inlet and the outlets.

Claims

The ornamental design for a pump impeller, as shown and described.

Referenced Cited
U.S. Patent Documents
D27078 May 1897 Cahill et al.
D191687 October 1961 Wessels
D205691 September 1966 Ruliffson
D262538 January 5, 1982 Erikson
D268112 March 1, 1983 Sugiura
4666373 May 19, 1987 Sugiura
D443281 June 5, 2001 Sodergard
D514125 January 31, 2006 Cook
D586826 February 17, 2009 Cantrill et al.
D603878 November 10, 2009 Chu
20050013688 January 20, 2005 Nishi et al.
Foreign Patent Documents
2006-291937 October 2006 JP
1290072 December 2006 JP
1290073 December 2006 JP
1290074 December 2006 JP
1290390 December 2006 JP
1290391 December 2006 JP
1295382 March 2007 JP
1295624 March 2007 JP
1315873 November 2007 JP
1316218 December 2007 JP
1316510 December 2007 JP
1316511 December 2007 JP
Other references
  • Nishi, Yasuyuki et al., “Pump Impeller”, U.S. Appl. No. 29/334,576, filed Mar. 27, 2009.
  • Nishi, Yasuyuki et al., “Pump Impeller”, U.S. Appl. No. 29/334,577, filed Mar. 27, 2009.
Patent History
Patent number: D617815
Type: Grant
Filed: Nov 6, 2009
Date of Patent: Jun 15, 2010
Assignee: ShinMaywa Industries, Ltd. (Hyogo)
Inventors: Motonobu Tarui (Hyogo), Junya Enomoto (Hyogo), Arata Funasaka (Hyogo)
Primary Examiner: Ralf Seifert
Attorney: Roberts Mlotkowski Safran & Cole, P.C.
Application Number: 29/346,880
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)