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. 03, 2001
Filed:
Feb. 26, 2000
Keith Kowalski, Bethlehem, CT (US);
Albert Palmero, Middlefield, CT (US);
Tri-Tech, Inc., Waterbury, CT (US);
Abstract
In a preferred embodiment, a linear/rotary electromagnetic device, including: a housing (,); first and second stators (,and,) disposed in the housing, first and second rotors (,and,) disposed in the housing and magnetically interacting, respectively, with the first and second stators; the first stator and the first rotor comprising a rotary motor; the second stator and the second rotor comprising an electromagnetic brake; a shaft (,) extending through a portion of the housing and axially through the first and second rotors, the shaft having a threaded portion (,) extending through a complementary threaded portion (,) of one of the first and second rotors; whereby; when the electromagnetic brake is locked and the rotary motor is rotated in a first direction, the shaft will move axially in a first direction; when the electromagnetic brake is locked and the rotary motor is rotated in the second direction, the shaft will move axially in a second direction; and when the electromagnetic brake is released and the rotary motor is rotated, the shaft will rotate with the rotary motor.