Patents Assigned to Chaldar, Inc.
  • Seal-flushing in centrifugal-pumps, improved methods and apparatuses
    Patent number: 4878676
    Abstract: Disclosed is an improved method of centrifugal pump impeller-shaft seal-flushing; comprising the step of supplying pressurized seal flush fluid to a centrifugal pump impeller-shaft seal within an operating centrifugal pump:(a) axially, from the rear;(b) radially, circumferentially evenly; and(c) circumferentially, inclined forwardly at a positive acute angle from parallel-to-axial.Thus resulting in greatly prolonged seal life.
    Type: Grant
    Filed: September 18, 1987
    Date of Patent: November 7, 1989
    Assignee: Chaldar, Inc.
    Inventor: John W. Johnson
  • Neck-strain alleviator for bicyclists
    Patent number: 4493225
    Abstract: Disclosed is a quickly-adjustable while-in-motion bicycle handlebar securing device which enables a bicyclist to quickly and easily change the bicycle handlebar position while-in-motion to one resulting in less strain upon his neck.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: January 15, 1985
    Assignee: Chaldar, Inc.
    Inventor: Giles Galahad