# US 11,077,767 B2 · Vehicle battery integration systems and methods

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- Number: US 11,077,767 B2
- Document ID: US11077767B2
- Status: Granted
- Kind: B2
- Application number: 16/728,600
- Filed: 2019-12-27
- Published: 2021-07-01
- Granted: 2021-08-03
- Earliest claimed: 2019-12-27
- Assignees: Lyft, Inc.
- Applicants: Lyft, Inc.
- Inventors: Andrew Michael Reimer; Adam Christopher Bender; Neil Richard Anthony Saldanha; Timothy Rex Martin; Jared Mitchell Kole; Andrea Claude Ramos Santos
- Web page: https://patentgrep.com/patent/US11077767B2

## CPC

- B60L 53/80: Exchanging energy storage elements, e.g. removable batteries
- H01M 50/213: adapted for cells having curved cross-section, e.g. round or elliptic (H01M50/209, H01M50/216 take precedence)
- B60L 50/20: using propulsion power generated by humans or animals
- B60L 50/64: Constructional details of batteries specially adapted for electric vehicles
- B60L 50/66: {Arrangements of batteries}
- H01M 50/148: characterised by their shape
- H01M 50/20: Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders (structural combination of accumulators with charging apparatus H01M10/46)
- H01M 50/256: Carrying devices, e.g. belts
- H01M 50/264: for cells or batteries, e.g. straps, tie rods or peripheral frames
- H01M 50/271: Lids or covers for the racks or secondary casings
- B60L 2200/12: Bikes
- B60L 2200/24: Personal mobility vehicles
- B60L 2240/622: by satellite navigation
- B60L 2250/16: by display
- H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane
- Y02E 60/10: Energy storage using batteries
- Y02T 10/70: Energy storage systems for electromobility, e.g. batteries
- Y02T 10/7072: Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
- Y02T 10/72: Electric energy management in electromobility
- Y02T 90/16: Information or communication technologies improving the operation of electric vehicles
- B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION

## Abstract

Techniques are disclosed for systems and methods to provide modular battery assemblies for micro-mobility fleet vehicles. A modular battery assembly for a micro-mobility fleet vehicle includes a battery assembly enclosure including an assembly retention interface configured to physically secure the assembly enclosure to a subframe assembly of the micro-mobility fleet vehicle, a battery cell assembly disposed within the battery assembly enclosure, and an enclosure lid mounted to the assembly enclosure. The modular battery assembly may include an arched floorboard panel configured to provide a floor board surface for the micro-mobility fleet vehicle. The battery cell assembly may include a honeycomb battery cell holder and a collector board atop the battery cell holder to provide wire bond interconnects between the battery cells.

## Claims

### Claim 1

A modular battery assembly for a micro-mobility fleet vehicle, the modular battery assembly comprising:
a rectangular cuboid shaped battery assembly enclosure comprising an enclosure cavity, an interface mounting orifice disposed within a wall of the battery assembly enclosure, a battery assembly electrical interface mounted at least partially within the interface mounting orifice, a head assembly retention interface disposed along a front portion of the battery assembly enclosure, and a tail assembly retention interface disposed along arear portion of the battery assembly enclosure, wherein the head and tail assembly retention interfaces are configured to physically secure the battery assembly enclosure to a subframe assembly mountable to the micro-mobility fleet vehicle;
a battery cell assembly disposed within the enclosure cavity and electrically coupled to the battery assembly electrical interface of the battery assembly enclosure;
an enclosure lid mounted to the battery assembly enclosure and configured to seal the enclosure cavity; and
an arched floorboard panel with a handle, the arched floorboard panel mounted to the enclosure lid and configured to provide a floorboard surface defined by a laterally extending tensioned arch, wherein the arched floorboard panel and the battery assembly enclosure are configured to distribute a step weight of a rider of the micro-mobility fleet vehicle along the subframe assembly.

### Claim 2 (depends on 1)

The modular battery assembly of claim 1, wherein:
the head assembly retention interface comprises a slip pin configured to engage with a slip pin tab of the subframe assembly; and
the tail assembly retention interface comprises a lock pin configured to engage with a lock pin tab of the subframe assembly.

### Claim 3 (depends on 2)

The modular battery assembly of claim 2, wherein:
the arched floorboard panel comprises one or more arch support guides configured to receive the slip pin tab and/or the lock pin tab and provide compression to the arched floorboard panel; and
the handle is integrated with the arched floorboard panel.

### Claim 4 (depends on 1)

The modular battery assembly of claim 1, wherein:
the head assembly retention interface comprises a hinge receiver recess configured to engage with a hinged assembly retention mechanism of the subframe assembly; and
the tail assembly retention interface comprises a pawl configured to engage with a locking surface of a locking cam of the subframe assembly.

### Claim 5 (depends on 4)

A system comprising the modular battery assembly of claim 4 and the subframe assembly, wherein:
the hinge receiver recess is integrated with the battery assembly electrical interface of the battery assembly enclosure;
the hinged assembly retention mechanism of the subframe assembly comprises a subframe assembly electrical interface for connection with the battery assembly electrical interface; and
the locking cam of the subframe assembly is coupled to a worm gear actuated by an electromechanical actuator of the subframe assembly to release the modular battery assembly from the subframe assembly.

### Claim 6 (depends on 1)

The modular battery assembly of claim 1, wherein:
the head assembly retention interface comprises a recessed latch receptacle configured to engage with a push latch assembly retention mechanism of the subframe assembly; and
the tail assembly retention interface comprises a slide lever feature configured to engage and form a fulcrum with a slide lever assembly retention mechanism of the subframe assembly.

### Claim 7 (depends on 6)

A system comprising the modular battery assembly of claim 6 and the subframe assembly, wherein:
the recessed latch receptacle is integrated with the battery assembly electrical interface of the battery assembly enclosure; and
the push latch assembly retention mechanism comprises a worm gear actuated by an electromechanical actuator of the subframe assembly to release the modular battery assembly from the subframe assembly.

### Claim 8

A micro-mobility fleet vehicle comprising:
a subframe assembly; and
a modular battery assembly comprising:
a rectangular cuboid shaped battery assembly enclosure comprising an enclosure cavity, an interface mounting orifice disposed within a wall of the battery assembly enclosure, a battery assembly electrical interface mounted at least partially within the interface mounting orifice, and an assembly retention interface disposed along the battery assembly enclosure, wherein the assembly retention interface is configured to physically secure the battery assembly enclosure to the subframe assembly;
a battery cell assembly disposed within the enclosure cavity and electrically coupled to the battery assembly electrical interface;
an enclosure lid mounted to the battery assembly enclosure and configured to seal the enclosure cavity; and
an arched floorboard panel with a handle, the arched floorboard panel mounted to the enclosure lid and configured to provide a floorboard surface defined by a laterally extending tensioned arch.

### Claim 9 (depends on 8)

The micro-mobility fleet vehicle of claim 8, wherein:
the modular battery assembly is physically secured to the subframe assembly by the assembly retention interface; and
the assembly retention interface comprises a slip pin configured to engage with a slip pin tab of the subframe assembly or a lock pin configured to engage with a lock pin tab of the subframe assembly.

### Claim 10 (depends on 9)

The micro-mobility fleet vehicle of claim 9, wherein:
the arched floorboard panel and the battery assembly enclosure are configured to distribute a step weight of a rider of the micro-mobility fleet vehicle along the subframe assembly mounted to the micro-mobility fleet vehicle; and
the arched floorboard panel comprises one or more arch support guides configured to receive the slip pin tab and/or the lock pin tab and provide lateral compression of the arched floorboard panel.

### Claim 11 (depends on 8)

The micro-mobility fleet vehicle of claim 8, wherein:
the assembly retention interface comprises a hinge receiver recess configured to engage with a hinged assembly retention mechanism of the subframe assembly; and
the hinged assembly retention mechanism of the subframe assembly comprises a hinge guide configured to pivot about a lateral axis of the micro-mobility fleet vehicle.

### Claim 12 (depends on 11)

The micro-mobility fleet vehicle of claim 11, wherein:
the hinge receiver recess is integrated with the battery assembly electrical interface of the battery assembly enclosure;
the hinged assembly retention mechanism of the subframe assembly comprises a subframe assembly electrical interface integrated with the hinge guide;
the locking cam of the subframe assembly is coupled to a worm gear actuated by an electromechanical actuator of the subframe assembly that is configured to release the modular battery assembly from the subframe assembly; and
the subframe assembly comprises a wiring channel configured to route a power bus from the modular battery assembly to a motor controller of the micro-mobility fleet vehicle.

### Claim 13 (depends on 8)

The micro-mobility fleet vehicle of claim 8, wherein:
the assembly retention interface comprises a recessed latch receptacle configured to engage with a push latch assembly retention mechanism of the subframe assembly; and
the recessed latch receptacle is integrated with the battery assembly electrical interface of the battery assembly enclosure.

### Claim 14 (depends on 8)

The micro-mobility fleet vehicle of claim 8, wherein:
the assembly retention interface comprises a slide lever feature configured to engage and form a fulcrum with a slide lever assembly retention mechanism of the subframe assembly.

### Claim 15

A method comprising:
receiving a release request for a first modular battery assembly coupled to a micro-mobility fleet vehicle, wherein the first modular battery assembly comprises:
a battery assembly enclosure comprising an enclosure cavity, an interface mounting orifice disposed within a wall of the battery assembly enclosure, a battery assembly electrical interface mounted at least partially within the interface mounting orifice, and an assembly retention interface disposed along the battery assembly enclosure, wherein the assembly retention interface is configured to physically secure the battery assembly enclosure to a subframe assembly mounted to the micro-mobility fleet vehicle;
a battery cell assembly disposed within the enclosure cavity and electrically coupled to the battery assembly electrical interface;
an enclosure lid mounted to the battery assembly enclosure and configured to seal the enclosure cavity; and
an arched floorboard panel with a handle, the arched floorboard panel mounted to the enclosure lid and configured to provide a floorboard surface defined by a laterally extending tensioned arch;
releasing the first modular battery assembly; and
detecting an installation of a second modular battery assembly.

### Claim 16 (depends on 15)

The method of claim 15, further comprising:
reporting a charge level of the first modular battery assembly prior to the receiving the release request for the first modular battery assembly; and
reporting a charge level of the second modular battery assembly after the detecting the installation of the second modular battery assembly.

### Claim 17 (depends on 15)

The method of claim 15, wherein the first modular battery assembly comprises a data storage device configured to receive vehicle status data over a data bus of the micro-mobility fleet vehicle, the method further comprising:
requesting vehicle status data from a controller and/or a motor controller of the micro-mobility fleet vehicle after the receiving the release request; and
storing received vehicle status data to the data storage device prior to the releasing the first modular battery assembly.

### Claim 18 (depends on 15)

The method of claim 15, wherein:
the assembly retention interface comprises a hinge receiver recess configured to engage with a hinged assembly retention mechanism of the subframe assembly;
the hinge receiver recess is integrated with the battery assembly electrical interface of the battery assembly enclosure; and
the hinged assembly retention mechanism of the subframe assembly comprises a hinge guide configured to pivot about a lateral axis of the micro-mobility fleet vehicle.

### Claim 19 (depends on 15)

The method of claim 15, wherein:
the assembly retention interface comprises a recessed latch receptacle configured to engage with a push latch assembly retention mechanism of the subframe assembly; and
the recessed latch receptacle is integrated with the battery assembly electrical interface of the battery assembly enclosure.

### Claim 20 (depends on 15)

The method of claim 15, wherein:
the assembly retention interface comprises a pawl configured to engage with a locking surface of a locking cam of the subframe assembly; and
the locking cam of the subframe assembly is coupled to a worm gear actuated by an electromechanical actuator of the subframe assembly that is configured to release the modular battery assembly from the subframe assembly.