# US 11,028,838 B2 · Inline pump assembly and method

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- Number: US 11,028,838 B2
- Document ID: US11028838B2
- Status: Granted
- Kind: B2
- Application number: 15/881,021
- Filed: 2018-01-26
- Published: 2018-05-31
- Granted: 2021-06-08
- Earliest claimed: 2011-05-17
- Assignees: Holley Performance Products, Inc.
- Applicants: Holley Performance Products, Inc.
- Inventors: Shane R. Weckerly; Larry J. Tipton
- Web page: https://patentgrep.com/patent/US11028838B2

## CPC

- F04B 23/02: having reservoirs
- F02M 37/18: characterised by provision of main and auxiliary pumps
- F04B 23/04: Combinations of two or more pumps
- F04B 49/03: by means of valves
- F04B 49/10: Other safety measures
- F04B 53/16: Casings; Cylinders; Cylinder liners or heads; Fluid connections
- Y10T 29/49236: Fluid pump or compressor making
- Y10T 29/49238: Repairing, converting, servicing or salvaging
- F04B: POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS (machines for liquids, or pumps, of rotary-piston or oscillating-piston type F04C; non-positive-displacement pumps F04D; pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped F04F)
- F02M: SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

A pump assembly and methods of use and conversion including a sealed housing, at least one in-tank, not sealed pump contained in the sealed housing, an outlet check valve inside each pump, and an over pressure relief passage formed around the pumps in the sealed housing. The pump assembly may also include a common fuel inlet, a common fuel outlet; at least two of the pumps, a compact design, a mounting bracket, a sealed electrical inlet, a pre filter, a post filter, a pressure regulator, a returnless fuel supply, a pressure regulator, a return line.

## Claims

### Claim 1

A method of making a pump assembly comprising: placing two in-tank, not sealed pumps into a common sealed housing, said common sealed housing contains the only two pumps in a fuel system wherein each pump has an overpressure relief valve; forming an over pressure relief passage formed around the two in-tank, not sealed pumps in the common sealed housing, wherein said over pressure relief valves are in flow communication with said over relief passage; and forming a common fuel inlet in the common sealed housing; forming a common fuel outlet in the common sealed housing; providing a post filter on an outlet side of the two in-tank, not sealed pumps and directly connected to said common sealed housing; wherein the common sealed housing is configured to be remotely positioned from a fuel tank.

### Claim 2 (depends on 1)

The method of claim 1 further comprising:
forming a mounting bracket in the common sealed housing; and
forming a sealed electrical inlet in the common sealed housing.

### Claim 3 (depends on 1)

The method of claim 1 further comprising: installing a pre filter; and installing a pressure regulator in the common sealed housing to form a returnless fuel supply.

### Claim 4 (depends on 1)

The method of claim 1 further comprising:
installing a pressure regulator; and
installing a return line;
wherein the return line is connected to the pressure regulator and is capable of being connected to the fuel tank.