Electromagnetic reciprocating pump and motor means

• US 4,692,673 A
• Filed: 07/29/1985
• Issued: 09/08/1987
• Est. Priority Date: 02/22/1982
• Status: Expired due to Fees

• Current Assignee: LONG, SANFORD, D, DE., 1367 MACKLIN, ELLISVILLE, MISSOURI 63011
• Original Assignee: Sanford D. Delong
• Inventors: DeLong, Sanford D.
• Primary Examiner(s): Duggan, Donovan F.
• Application Number:
  US06/760,255
• Time in Patent Office: 771 Days
• Field of Search: 310/17, 310/30, 310/34, 310/35, 318/114-132, 417/417
• US Class Current: 318/132
• CPC Class Codes: F04B 17/046 the fluid flowing through the moving part of the motor
• CPC Class Codes: H02K 41/02 Linear motors; Sectional motors

Abstract

An electromagnetic reciprocating motor or pump for use for providing mechanical force for actuation of other fluids or components, and includes a cylinder provided with closures at each end, at least a pair of electromagnets operatively associated with the cylinder, and surrounding the same, a magnetically responsive piston provided within the cylinder and capable of longitudinal shifting reciprocally within the cylinder upon the sequential energization of the electromagnets, and either a mechanical actuator or electronic triggering components cooperating with electrical circuitry and connecting with the electromagnets which upon energization charging the electromagnets in timed sequence for inducing their reciprocal shifting of the piston within the cylinder means. Electrical circuitry includes a power supply, a sequencing circuitry, coil driver circuitry, all of which upon their cooperative functioning provide for a regulating the rate, timing, and quantity of charge delivered to each of the particular electromagnets during operation of the reciprocating device.

Claims

1. An electromagnetic reciprocating means for use for providing mechanical force for actuation of other means comprising a cylinder means, electromagnetic reciprocating means comprising a motor means, a closure means provided at each end of the said cylinder means, at least a pair of electromagnets operatively associated with said cylinder means, a magnetically responsive piston provided within said cylinder means and capable of longitudinally shifting reciprocally within said cylinder means upon the sequential energization of said electromagnets, an electrical circuitry means connecting with said electromagnets and upon energization charging said electromagnets in progressively timed sequence for inducing the reciprocal shifting of said piston within said cylinder means, said motor means comprising a linear reciprocating motor means, a drive shaft connecting with said piston, there being an aperture provided through a closure means at least at one end of said cylinder means, said drive shaft extending through the closure means aperture and furnishing linear moving force upon the reciprocating movement of said motor means piston, a seal formed between the reciprocating moving drive shaft and the closure means aperture, a spacer means provided between each of the adjacent electromagnets and the closure means, each electromagnet and the said spacer means provided substantially surrounding the internally arranged cylinder means, fastener means tightly securing the closure means, internally arranged cylinder means, spacer means, and electromagnets together, said reciprocating means as secured together being hermetically sealed, and seal provided between the internally arranged cylinder and the closure means to prevent leakage at their areas of contact.

2. The invention of claim 1 and wherein said electrical circuitry including an electrical energy power supply means, sequential circuitry means connecting with said power supply means and including a series of gates and being useful for regulating the rate and timing of the delivery of electrical charge to the electromagnets, and a coil driver circuitry means electrically connecting with each electromagnet and also connecting with the sequencing circuitry means and useful for regulating the quantity of charge delivered to each of the particular electromagnets during operation of the reciprocating means.

3. The invention of claim 2 and wherein said sequencing circuitry means including an oscillator section, a sequence counter decoder logic section coupled with the oscillator section and which translates the pulses generated by the oscillator section into sequential outputs, and a pre-stage coil driver section which functions as a buffer between the sequence counter decoder logic section and the coil driver circuitry means.

4. The invention of claim 3 and wherein the coil driver circuitry means receives low voltage signals from the sequencing circuitry means and converts the same into high voltage signals for conduct to the individual electromagnets of the reciprocating means.

5. The invention of claim 1 and wherein said electrical circuitry useful for providing single stage electrical pulsing of the electromagnets of the reciprocating means, said circuitry including a relay means for each electromagnet, mechanical means operatively associated with each relay means and provided for actuating its accompanying relay means in timed sequence, the actuation of the relay means conducting charge for momentary energization of the coil associated with its electromagnet for inducing movement of its responsive piston.

6. The invention of claim 1 and wherein said electrical circuitry useful for providing dual stage electrical pulsing of the electromagnets of the reciprocating means, said circuitry including relay means for each electromagnet, mechanical means operatively associated with each relay means and provided for actuating its accompanying relay means alternating at opposite electrical polarities and in timed sequence, the alternate actuation of each relay means conducting charge for momentary energization of said coil associated with its electromagnet for inducing movement of its responsive reciprocating means piston.

7. The invention of claim 1 and including there being at least a pair of pistons arranged for reciprocating within the cylinder means, and there being a combined electrical circuitry means and sets of electromagnets independently associated with each piston for effecting simultaneous directional shifting of said pistons in timed sequence.