The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 11, 2017
Filed:
Jun. 24, 2011
Keith E. Wright, Chatham, GB;
Michael Peter Cooke, Gillingham, GB;
Neil C. Smith, Gravesend, GB;
Martin Paul Hardy, Gillingham, GB;
Ivan C. Lawford, Gillingham, GB;
Kevin S. Stanbury, Rochester, GB;
Keith E. Wright, Chatham, GB;
Michael Peter Cooke, Gillingham, GB;
Neil C. Smith, Gravesend, GB;
Martin Paul Hardy, Gillingham, GB;
Ivan C. Lawford, Gillingham, GB;
Kevin S. Stanbury, Rochester, GB;
Delphi International Operations Luxembourg S.A.R.L., Luxembourg, LU;
Abstract
A pumping assembly is provided which is suitable for use in a variety of dosing pumps. The pumping assembly comprises a pump body with a pump bore, and a sleeve fixed within the pump bore. The sleeve has a first end, a second end and a sleeve bore. A plunger is adapted to enter the first end of the sleeve and to reciprocate within the sleeve bore. The sleeve has at least one port to allow fluid flow through a wall of the sleeve. The, or each, port is elongated in a direction substantially orthogonal to a direction of reciprocation.